A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 7013622 can be evenly divided by 1 2 3 6 7 11 14 17 19 21 22 33 34 38 42 47 51 57 66 77 94 102 114 119 133 141 154 187 209 231 238 266 282 323 329 357 374 399 418 462 517 561 627 646 658 714 798 799 893 969 987 1,034 1,122 1,254 1,309 1,463 1,551 1,598 1,786 1,938 1,974 2,261 2,397 2,618 2,679 2,926 3,102 3,553 3,619 3,927 4,389 4,522 4,794 5,358 5,593 6,251 6,783 7,106 7,238 7,854 8,778 8,789 9,823 10,659 10,857 11,186 12,502 13,566 15,181 16,779 17,578 18,753 19,646 21,318 21,714 24,871 26,367 29,469 30,362 33,558 37,506 45,543 49,742 52,734 58,938 61,523 68,761 74,613 91,086 106,267 123,046 137,522 149,226 166,991 184,569 206,283 212,534 318,801 333,982 369,138 412,566 500,973 637,602 1,001,946 1,168,937 2,337,874 3,506,811 and 7,013,622, with no remainder.
Since 7,013,622 cannot be divided by just 1 and 7,013,622, it is not a prime number.