22428752 has 20 divisors (see below), whose sum is σ = 44277300. Its totient is φ = 11002368.

The previous prime is 22428751. The next prime is 22428761. The reversal of 22428752 is 25782422.

It can be written as a sum of positive squares in 2 ways, for example, as 8620096 + 13808656 = 2936^2 + 3716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22428751) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 12377 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (2213865).

Almost surely, 2^22428752 is an apocalyptic number.

It is an amenable number.

22428752 is a deficient number, since it is larger than the sum of its proper divisors (21848548).

22428752 is a wasteful number, since it uses less digits than its factorization.

22428752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26510 (or 26504 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 22428752 is about 4735.9003367892. The cubic root of 22428752 is about 282.0125071997.

The spelling of 22428752 in words is "twenty-two million, four hundred twenty-eight thousand, seven hundred fifty-two".