22465631 has 4 divisors (see below), whose sum is σ = 22524672. Its totient is φ = 22406592.

The previous prime is 22465621. The next prime is 22465637. The reversal of 22465631 is 13656422.

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 22465631 - 2⁶ = 22465567 is a prime.

It is a super-2 number, since 2×22465631² = 1009409152456322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22465594 and 22465603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22465637) 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, 28946 + ... + 29711.

It is an arithmetic number, because the mean of its divisors is an integer number (5631168).

Almost surely, 2^22465631 is an apocalyptic number.

22465631 is a deficient number, since it is larger than the sum of its proper divisors (59041).

22465631 is an equidigital number, since it uses as much as digits as its factorization.

22465631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59040.

The product of its digits is 8640, while the sum is 29.

The square root of 22465631 is about 4739.7922950273. The cubic root of 22465631 is about 282.1669911128.

The spelling of 22465631 in words is "twenty-two million, four hundred sixty-five thousand, six hundred thirty-one".