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22132102212 = 223211320317449
BaseRepresentation
bin10100100111001011…
…010001010001000100
32010010102110021122100
4110213023101101010
5330311304232322
614100051432100
71412311523223
oct244713212104
963112407570
1022132102212
119427aa3a70
124357bb5630
13211932558c
1410dd52acba
15898024dac
hex5272d1444

22132102212 has 72 divisors (see below), whose sum is σ = 61053501600. Its totient is φ = 6704219520.

The previous prime is 22132102207. The next prime is 22132102217. The reversal of 22132102212 is 21220123122.

It is an interprime number because it is at equal distance from previous prime (22132102207) and next prime (22132102217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22132102217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259664 + ... + 1277112.

It is an arithmetic number, because the mean of its divisors is an integer number (847965300).

Almost surely, 222132102212 is an apocalyptic number.

22132102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22132102212 is an abundant number, since it is smaller than the sum of its proper divisors (38921399388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22132102212 is a wasteful number, since it uses less digits than its factorization.

22132102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673 (or 20668 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22132102212 its reverse (21220123122), we get a palindrome (43352225334).

The spelling of 22132102212 in words is "twenty-two billion, one hundred thirty-two million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 3203 6406 9609 12812 17449 19218 28827 34898 35233 38436 52347 57654 69796 70466 104694 105699 115308 140932 157041 191939 209388 211398 314082 317097 383878 422796 575817 628164 634194 767756 1151634 1268388 1727451 2303268 3454902 6909804 55889147 111778294 167667441 223556588 335334882 503002323 614780617 670669764 1006004646 1229561234 1844341851 2012009292 2459122468 3688683702 5533025553 7377367404 11066051106 22132102212