22730536 has 16 divisors (see below), whose sum is σ = 44863200. Its totient is φ = 10767024.

The previous prime is 22730507. The next prime is 22730549. The reversal of 22730536 is 63503722.

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 3 ways as a sum of consecutive naturals, for example, 74620 + ... + 74923.

It is an arithmetic number, because the mean of its divisors is an integer number (2803950).

Almost surely, 2^22730536 is an apocalyptic number.

It is an amenable number.

22730536 is a deficient number, since it is larger than the sum of its proper divisors (22132664).

22730536 is a wasteful number, since it uses less digits than its factorization.

22730536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149568 (or 149564 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 22730536 is about 4767.6551888743. The cubic root of 22730536 is about 283.2717239361.

The spelling of 22730536 in words is "twenty-two million, seven hundred thirty thousand, five hundred thirty-six".