22664748 has 24 divisors (see below), whose sum is σ = 53610928. Its totient is φ = 7451136.

The previous prime is 22664743. The next prime is 22664771. The reversal of 22664748 is 84746622.

It is not an unprimeable number, because it can be changed into a prime (22664743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12061 + ... + 13812.

Almost surely, 2^22664748 is an apocalyptic number.

It is an amenable number.

22664748 is an abundant number, since it is smaller than the sum of its proper divisors (30946180).

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

22664748 is a wasteful number, since it uses less digits than its factorization.

22664748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25953 (or 25951 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 22664748 is about 4760.7507811269. The cubic root of 22664748 is about 282.9981728542.

The spelling of 22664748 in words is "twenty-two million, six hundred sixty-four thousand, seven hundred forty-eight".