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22285164 = 22311179931
BaseRepresentation
bin101010100000…
…0101101101100
31112221012111110
41111000231230
521201111124
62113352020
7360264216
oct125005554
945835443
1022285164
11116411a0
127568610
1348035b5
142d615b6
151e53029
hex1540b6c

22285164 has 48 divisors (see below), whose sum is σ = 60068736. Its totient is φ = 6355200.

The previous prime is 22285127. The next prime is 22285171. The reversal of 22285164 is 46158222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2722 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (1251432).

Almost surely, 222285164 is an apocalyptic number.

It is an amenable number.

22285164 is an abundant number, since it is smaller than the sum of its proper divisors (37783572).

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

22285164 is a wasteful number, since it uses less digits than its factorization.

22285164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966 (or 9964 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22285164 is about 4720.7164710455. The cubic root of 22285164 is about 281.4094073128.

The spelling of 22285164 in words is "twenty-two million, two hundred eighty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 9931 19862 29793 39724 59586 109241 119172 168827 218482 327723 337654 436964 506481 655446 675308 1012962 1310892 1857097 2025924 3714194 5571291 7428388 11142582 22285164