22492770 has 32 divisors (see below), whose sum is σ = 56825280. Its totient is φ = 5682240.

The previous prime is 22492759. The next prime is 22492787. The reversal of 22492770 is 7729422.

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, 19161 + ... + 20300.

It is an arithmetic number, because the mean of its divisors is an integer number (1775790).

Almost surely, 2^22492770 is an apocalyptic number.

22492770 is an abundant number, since it is smaller than the sum of its proper divisors (34332510).

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

22492770 is a wasteful number, since it uses less digits than its factorization.

22492770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39490.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 22492770 is about 4742.6543201039. The cubic root of 22492770 is about 282.2805668004.

The spelling of 22492770 in words is "twenty-two million, four hundred ninety-two thousand, seven hundred seventy".