A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5602212 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 43 44 47 63 66 77 84 86 94 99 126 129 132 141 154 172 188 198 231 252 258 282 301 308 329 387 396 423 462 473 516 517 564 602 658 693 774 846 903 924 946 987 1,034 1,204 1,316 1,386 1,419 1,548 1,551 1,692 1,806 1,892 1,974 2,021 2,068 2,709 2,772 2,838 2,961 3,102 3,311 3,612 3,619 3,948 4,042 4,257 4,653 5,418 5,676 5,922 6,063 6,204 6,622 7,238 8,084 8,514 9,306 9,933 10,836 10,857 11,844 12,126 13,244 14,147 14,476 17,028 18,189 18,612 19,866 21,714 22,231 24,252 28,294 29,799 32,571 36,378 39,732 42,441 43,428 44,462 56,588 59,598 65,142 66,693 72,756 84,882 88,924 119,196 127,323 130,284 133,386 155,617 169,764 200,079 254,646 266,772 311,234 400,158 466,851 509,292 622,468 800,316 933,702 1,400,553 1,867,404 2,801,106 and 5,602,212, with no remainder.
Since 5,602,212 cannot be divided by just 1 and 5,602,212, it is not a prime number.