22465931 has 4 divisors (see below), whose sum is σ = 22614864. Its totient is φ = 22317000.

The previous prime is 22465921. The next prime is 22465943. The reversal of 22465931 is 13956422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22465931 - 2⁶ = 22465867 is a prime.

It is a super-2 number, since 2×22465931² = 1009436111393522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22465921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74240 + ... + 74541.

It is an arithmetic number, because the mean of its divisors is an integer number (5653716).

Almost surely, 2^22465931 is an apocalyptic number.

22465931 is a deficient number, since it is larger than the sum of its proper divisors (148933).

22465931 is a wasteful number, since it uses less digits than its factorization.

22465931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148932.

The product of its digits is 12960, while the sum is 32.

The square root of 22465931 is about 4739.8239418780. The cubic root of 22465931 is about 282.1682471013.

The spelling of 22465931 in words is "twenty-two million, four hundred sixty-five thousand, nine hundred thirty-one".