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22485985 = 5171272083
BaseRepresentation
bin101010111000…
…1101111100001
31120022101222021
41111301233201
521224022420
62121541441
7362061544
oct125615741
946271867
1022485985
1111769065
127644881
134873b22
142db485b
151e927aa
hex1571be1

22485985 has 16 divisors (see below), whose sum is σ = 28809216. Its totient is φ = 16789248.

The previous prime is 22485961. The next prime is 22485997. The reversal of 22485985 is 58958422.

It is a cyclic number.

It is not a de Polignac number, because 22485985 - 219 = 21961697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9754 + ... + 11836.

It is an arithmetic number, because the mean of its divisors is an integer number (1800576).

Almost surely, 222485985 is an apocalyptic number.

It is an amenable number.

22485985 is a deficient number, since it is larger than the sum of its proper divisors (6323231).

22485985 is a wasteful number, since it uses less digits than its factorization.

22485985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 230400, while the sum is 43.

The square root of 22485985 is about 4741.9389494172. The cubic root of 22485985 is about 282.2521804010.

The spelling of 22485985 in words is "twenty-two million, four hundred eighty-five thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 127 635 2083 2159 10415 10795 35411 177055 264541 1322705 4497197 22485985