220001
2200012 = 48400440001, a reversible square (10004400484 = 1000222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220002
2200022 = 48400880004, a reversible square consisting of 3 kinds of even digits (40008800484 = 2000222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220011
2200112 = 48404840121, a reversible square (12104840484 = 1100222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220092
2200922 = 48440488464, a square with even digits.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220101
2201012 = 48444450201, a reversible square (10205444484 = 1010222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220102
2201022 = 48444890404, a reversible square (40409844484 = 2010222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220111
2201112 = 48448852321, a reversible square (12325884484 = 1110222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220201
2202012 = 48488480401, a reversible square (10408488484 = 1020222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220422
2204222 = 48585858084, a square pegged by 8.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
220474
2204742 = 48608784676, and 48608784 = 69722, 676 = 262.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221001
2210012 = 48841442001, a reversible square (10024414884 = 1001222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221002
2210022 = 48841884004, a reversible square (40048814884 = 2001222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221011
2210112 = 48845862121, a reversible square (12126854884 = 1101222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221078
2210782 = 461 * 462 + 463 * 464 + 465 * 466 + 467 * 468 + ... + 6643 * 6644.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221101
2211012 = 48885652201, a reversible square (10225658884 = 1011222).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221375
2213752 = 49006890625, and 4900 = 702, 6890625 = 26252.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221680
2216802 = 1125 * 1126 + 1127 * 1128 + 1129 * 1130 + 1131 * 1132 + ... + 6665 * 6666.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
221697
2216972 = 7453 + 7463 + 7473 + 7483 + ... + 8423.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
222040
743 + 222040 = 7922, 743 - 222040 = 4282.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
222148
2221482 = 6093 + 6103 + 6113 + 6123 + ... + 7603.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
222327
222327 = 49429294929, a square with 3 kinds of digits.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
223134
(2231342 - 6) = (32 - 6)(72 - 6)(82 - 6)(112 - 6)(132 - 6)(192 - 6).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
223260
613 + 223260 = 6712, 613 - 223260 = 612.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
223661
(2236612 + 5) = (12 + 5)(22 + 5)(62 + 5)(122 + 5)(162 + 5)(242 + 5).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
224612
2246122 = 50450550544, a square with 3 kinds of digits.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
224748
224748 = 22 + 22 + 4742 + 82.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
224838
2248382 = 50552126244, and 505521 = 7112, 26244 = 1622.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
225498
2254982 = 1053*1054*1055 + 1055*1056*1057 + 1057*1058*1059 + 1059*1060*1061 + ... + 1129*1130*1131.
Page of Squares : First Upload October 26, 2013 ; Last Revised October 26, 2013by Yoshio Mimura, Kobe, Japan
225625
225625 = 4752, and 225 = 152, 625 = 252.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
226256
2262562 = 51191777536, a square with odd digits except the last digit 6.
Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013by Yoshio Mimura, Kobe, Japan
227704
The quadratic polynomial 227704X2 - 1214840X + 1738825 takes the values 8672, 4692, 3792, 7232, 11652, 16272 at X = 1, 2,..., 6.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
227846
2278462 = 51913799716, a square with odd digits except the last digit 6.
Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013by Yoshio Mimura, Kobe, Japan
227940
2279402 = 2734 * 2735 + 2736 * 2737 + 2738 * 2739 + 2740 * 2741 + ... + 6924 * 6925.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
227997
2279972 = 7603 + 7613 + 7623 + 7633 + 7643 + ... + 8573.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
228228
2282282 = 6663 + 6673 + 6683 + 6693 + 6703 + ... + 7973.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
228264
(2282642 + 4) = (32 + 4)(42 + 4)(52 + 4)(72 + 4)(172 + 4)(212 + 4).
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
228584
228484 = 4782, a square with 3 kinds of even digits.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
228634
2286342 = 4750 * 4751 + 4752 * 4753 + 4754 * 4755 + 4756 * 4757 + ... + 7492 * 7493.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
229030
2290302 = 9162 * 9163 + 9164 * 9165 + 9166 * 9167 + 9168 * 9169 + ... + 10270 * 10271.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan
229870
2298702 = 470 * 471 + 472 * 473 + 474 * 475 + 476 * 477 + ... + 6818 * 6819.
Page of Squares : First Upload March 23, 2013 ; Last Revised March 23, 2013by Yoshio Mimura, Kobe, Japan