22956320 has 24 divisors (see below), whose sum is σ = 54234684. Its totient is φ = 9182464.

The previous prime is 22956301. The next prime is 22956343. The reversal of 22956320 is 2365922.

It can be written as a sum of positive squares in 2 ways, for example, as 19254544 + 3701776 = 4388^2 + 1924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71579 + ... + 71898.

Almost surely, 2^22956320 is an apocalyptic number.

22956320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22956320 is an abundant number, since it is smaller than the sum of its proper divisors (31278364).

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

22956320 is a wasteful number, since it uses less digits than its factorization.

22956320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143492 (or 143484 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 22956320 is about 4791.2754043156. The cubic root of 22956320 is about 284.2065547540.

The spelling of 22956320 in words is "twenty-two million, nine hundred fifty-six thousand, three hundred twenty".