22965920 has 24 divisors (see below), whose sum is σ = 54257364. Its totient is φ = 9186304.

The previous prime is 22965919. The next prime is 22965931. The reversal of 22965920 is 2956922.

It can be written as a sum of positive squares in 2 ways, for example, as 21418384 + 1547536 = 4628^2 + 1244^2 .

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 3 ways as a sum of consecutive naturals, for example, 71609 + ... + 71928.

Almost surely, 2^22965920 is an apocalyptic number.

22965920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22965920 is an abundant number, since it is smaller than the sum of its proper divisors (31291444).

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

22965920 is a wasteful number, since it uses less digits than its factorization.

22965920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143552 (or 143544 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 22965920 is about 4792.2771205347. The cubic root of 22965920 is about 284.2461662523.

The spelling of 22965920 in words is "twenty-two million, nine hundred sixty-five thousand, nine hundred twenty".