22920315 has 32 divisors (see below), whose sum is σ = 41306112. Its totient is φ = 10752000.

The previous prime is 22920311. The next prime is 22920319. The reversal of 22920315 is 51302922.

It is an interprime number because it is at equal distance from previous prime (22920311) and next prime (22920319).

It is not a de Polignac number, because 22920315 - 2² = 22920311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22920311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2875 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (1290816).

Almost surely, 2^22920315 is an apocalyptic number.

22920315 is a deficient number, since it is larger than the sum of its proper divisors (18385797).

22920315 is a wasteful number, since it uses less digits than its factorization.

22920315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 22920315 is about 4787.5165796058. The cubic root of 22920315 is about 284.0578925490.

The spelling of 22920315 in words is "twenty-two million, nine hundred twenty thousand, three hundred fifteen".