22522008 has 32 divisors (see below), whose sum is σ = 59618160. Its totient is φ = 7065600.

The previous prime is 22522007. The next prime is 22522021. The reversal of 22522008 is 80022522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522001) 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, 27193 + ... + 28008.

Almost surely, 2^22522008 is an apocalyptic number.

It is an amenable number.

22522008 is an abundant number, since it is smaller than the sum of its proper divisors (37096152).

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

22522008 is a wasteful number, since it uses less digits than its factorization.

22522008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55227 (or 55223 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22522008 is about 4745.7357701414. The cubic root of 22522008 is about 282.4028245403.

The spelling of 22522008 in words is "twenty-two million, five hundred twenty-two thousand, eight".