22730912 has 12 divisors (see below), whose sum is σ = 44751546. Its totient is φ = 11365440.

The previous prime is 22730909. The next prime is 22730927. The reversal of 22730912 is 21903722.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 414736 = 4724^2 + 644^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355139 + ... + 355202.

Almost surely, 2^22730912 is an apocalyptic number.

It is an amenable number.

22730912 is a deficient number, since it is larger than the sum of its proper divisors (22020634).

22730912 is an equidigital number, since it uses as much as digits as its factorization.

22730912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710351 (or 710343 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 22730912 is about 4767.6946210931. The cubic root of 22730912 is about 283.2732858524.

The spelling of 22730912 in words is "twenty-two million, seven hundred thirty thousand, nine hundred twelve".