22685745 has 8 divisors (see below), whose sum is σ = 36297216. Its totient is φ = 12099056.

The previous prime is 22685737. The next prime is 22685777. The reversal of 22685745 is 54758622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22685745 - 2³ = 22685737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756177 + ... + 756206.

It is an arithmetic number, because the mean of its divisors is an integer number (4537152).

Almost surely, 2^22685745 is an apocalyptic number.

It is an amenable number.

22685745 is a deficient number, since it is larger than the sum of its proper divisors (13611471).

22685745 is a wasteful number, since it uses less digits than its factorization.

22685745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512391.

The product of its digits is 134400, while the sum is 39.

The square root of 22685745 is about 4762.9554900293. The cubic root of 22685745 is about 283.0855372879.

The spelling of 22685745 in words is "twenty-two million, six hundred eighty-five thousand, seven hundred forty-five".