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22660996 = 2219298171
BaseRepresentation
bin101011001110…
…0011110000100
31120122022001011
41112130132010
521300122441
62125412004
7363421021
oct126343604
946568034
1022660996
11118785a6
12770a004
134905697
14301c548
151ec9581
hex159c784

22660996 has 12 divisors (see below), whose sum is σ = 41744080. Its totient is φ = 10734120.

The previous prime is 22660993. The next prime is 22660997. The reversal of 22660996 is 69906622.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22660993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149010 + ... + 149161.

Almost surely, 222660996 is an apocalyptic number.

It is an amenable number.

22660996 is a deficient number, since it is larger than the sum of its proper divisors (19083084).

22660996 is a wasteful number, since it uses less digits than its factorization.

22660996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298194 (or 298192 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 22660996 is about 4760.3567093234. The cubic root of 22660996 is about 282.9825558302.

The spelling of 22660996 in words is "twenty-two million, six hundred sixty thousand, nine hundred ninety-six".

Divisors: 1 2 4 19 38 76 298171 596342 1192684 5665249 11330498 22660996