22500570 has 16 divisors (see below), whose sum is σ = 54001440. Its totient is φ = 6000144.

The previous prime is 22500563. The next prime is 22500581. The reversal of 22500570 is 7500522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374980 + ... + 375039.

It is an arithmetic number, because the mean of its divisors is an integer number (3375090).

Almost surely, 2^22500570 is an apocalyptic number.

22500570 is an abundant number, since it is smaller than the sum of its proper divisors (31500870).

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

22500570 is a wasteful number, since it uses less digits than its factorization.

22500570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750029.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 22500570 is about 4743.4765731476. The cubic root of 22500570 is about 282.3131926021.

The spelling of 22500570 in words is "twenty-two million, five hundred thousand, five hundred seventy".