22663975 has 12 divisors (see below), whose sum is σ = 29757024. Its totient is φ = 17064320.

The previous prime is 22663973. The next prime is 22663997. The reversal of 22663975 is 57936622.

It is not a de Polignac number, because 22663975 - 2¹ = 22663973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22663973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26239 + ... + 27088.

It is an arithmetic number, because the mean of its divisors is an integer number (2479752).

Almost surely, 2^22663975 is an apocalyptic number.

22663975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22663975 is a deficient number, since it is larger than the sum of its proper divisors (7093049).

22663975 is a wasteful number, since it uses less digits than its factorization.

22663975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53354 (or 53349 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 22663975 is about 4760.6695957607. The cubic root of 22663975 is about 282.9949555220.

It can be divided in two parts, 2266 and 3975, that added together give a square (6241 = 79²).

The spelling of 22663975 in words is "twenty-two million, six hundred sixty-three thousand, nine hundred seventy-five".