22570008 has 32 divisors (see below), whose sum is σ = 57803760. Its totient is φ = 7339520.

The previous prime is 22570007. The next prime is 22570013. The reversal of 22570008 is 80007522.

It is a super-2 number, since 2×22570008² = 1018810522240128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22570008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22570003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10485 + ... + 12452.

Almost surely, 2^22570008 is an apocalyptic number.

It is an amenable number.

22570008 is an abundant number, since it is smaller than the sum of its proper divisors (35233752).

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

22570008 is a wasteful number, since it uses less digits than its factorization.

22570008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987 (or 22983 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 22570008 is about 4750.7902500531. The cubic root of 22570008 is about 282.6033057324.

The spelling of 22570008 in words is "twenty-two million, five hundred seventy thousand, eight".