22715975 has 12 divisors (see below), whose sum is σ = 28267536. Its totient is φ = 18108480.

The previous prime is 22715971. The next prime is 22715981. The reversal of 22715975 is 57951722.

It is not a de Polignac number, because 22715975 - 2² = 22715971 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 (22715971) 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, 6374 + ... + 9276.

It is an arithmetic number, because the mean of its divisors is an integer number (2355628).

Almost surely, 2^22715975 is an apocalyptic number.

22715975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22715975 is a deficient number, since it is larger than the sum of its proper divisors (5551561).

22715975 is a wasteful number, since it uses less digits than its factorization.

22715975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3221 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 22715975 is about 4766.1278833032. The cubic root of 22715975 is about 283.2112238136.

The spelling of 22715975 in words is "twenty-two million, seven hundred fifteen thousand, nine hundred seventy-five".