23022165 has 32 divisors (see below), whose sum is σ = 39346560. Its totient is φ = 11454464.

The previous prime is 23022161. The next prime is 23022169. The reversal of 23022165 is 56122032.

It is an interprime number because it is at equal distance from previous prime (23022161) and next prime (23022169).

It is not a de Polignac number, because 23022165 - 2² = 23022161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34606 + ... + 35264.

It is an arithmetic number, because the mean of its divisors is an integer number (1229580).

Almost surely, 2^23022165 is an apocalyptic number.

It is an amenable number.

23022165 is a deficient number, since it is larger than the sum of its proper divisors (16324395).

23022165 is a wasteful number, since it uses less digits than its factorization.

23022165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23022165 is about 4798.1418278329. The cubic root of 23022165 is about 284.4780227298.

Adding to 23022165 its reverse (56122032), we get a palindrome (79144197).

The spelling of 23022165 in words is "twenty-three million, twenty-two thousand, one hundred sixty-five".