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22213690902 = 2321327302331
BaseRepresentation
bin10100101100000010…
…100000011000010110
32010100002222102021200
4110230002200120112
5330443201102102
614112124253330
71414322154144
oct245402403026
963302872250
1022213690902
11946a05a837
12437b3a1246
1321301c0b00
14110a2c8594
158a028e51c
hex52c0a0616

22213690902 has 36 divisors (see below), whose sum is σ = 52116743484. Its totient is φ = 6834980880.

The previous prime is 22213690897. The next prime is 22213690921. The reversal of 22213690902 is 20909631222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3648124 + ... + 3654207.

It is an arithmetic number, because the mean of its divisors is an integer number (1447687319).

Almost surely, 222213690902 is an apocalyptic number.

22213690902 is an abundant number, since it is smaller than the sum of its proper divisors (29903052582).

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

22213690902 is a wasteful number, since it uses less digits than its factorization.

22213690902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302365 (or 7302349 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 22213690902 in words is "twenty-two billion, two hundred thirteen million, six hundred ninety thousand, nine hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1521 3042 7302331 14604662 21906993 43813986 65720979 94930303 131441958 189860606 284790909 569581818 854372727 1234093939 1708745454 2468187878 3702281817 7404563634 11106845451 22213690902