22713630 has 32 divisors (see below), whose sum is σ = 54687744. Its totient is φ = 6037536.

The previous prime is 22713623. The next prime is 22713659. The reversal of 22713630 is 3631722.

It is a self number, because there is not a number n which added to its sum of digits gives 22713630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9979 + ... + 12041.

It is an arithmetic number, because the mean of its divisors is an integer number (1708992).

Almost surely, 2^22713630 is an apocalyptic number.

22713630 is an abundant number, since it is smaller than the sum of its proper divisors (31974114).

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

22713630 is a wasteful number, since it uses less digits than its factorization.

22713630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 22713630 is about 4765.8818701265. The cubic root of 22713630 is about 283.2014780557.

The spelling of 22713630 in words is "twenty-two million, seven hundred thirteen thousand, six hundred thirty".