22665475 has 12 divisors (see below), whose sum is σ = 32120464. Its totient is φ = 15541920.

The previous prime is 22665469. The next prime is 22665481. The reversal of 22665475 is 57456622.

It is an interprime number because it is at equal distance from previous prime (22665469) and next prime (22665481).

It is not a de Polignac number, because 22665475 - 2⁹ = 22664963 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64584 + ... + 64933.

Almost surely, 2^22665475 is an apocalyptic number.

22665475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22665475 is a deficient number, since it is larger than the sum of its proper divisors (9454989).

22665475 is a wasteful number, since it uses less digits than its factorization.

22665475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129534 (or 129529 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 22665475 is about 4760.8271340178. The cubic root of 22665475 is about 283.0011986614.

The spelling of 22665475 in words is "twenty-two million, six hundred sixty-five thousand, four hundred seventy-five".