22728952 has 32 divisors (see below), whose sum is σ = 45198720. Its totient is φ = 10696320.

The previous prime is 22728941. The next prime is 22728967. The reversal of 22728952 is 25982722.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7 ways as a sum of consecutive naturals, for example, 7938 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (1412460).

Almost surely, 2^22728952 is an apocalyptic number.

It is an amenable number.

22728952 is a deficient number, since it is larger than the sum of its proper divisors (22469768).

22728952 is a wasteful number, since it uses less digits than its factorization.

22728952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2547 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 22728952 is about 4767.4890665842. The cubic root of 22728952 is about 283.2651437594.

The spelling of 22728952 in words is "twenty-two million, seven hundred twenty-eight thousand, nine hundred fifty-two".