22808385 has 40 divisors (see below), whose sum is σ = 41236800. Its totient is φ = 12060576.

The previous prime is 22808377. The next prime is 22808411. The reversal of 22808385 is 58380822.

It is not a de Polignac number, because 22808385 - 2³ = 22808377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80454 + ... + 80736.

It is an arithmetic number, because the mean of its divisors is an integer number (1030920).

Almost surely, 2^22808385 is an apocalyptic number.

It is an amenable number.

22808385 is a deficient number, since it is larger than the sum of its proper divisors (18428415).

22808385 is a wasteful number, since it uses less digits than its factorization.

22808385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 22808385 is about 4775.8124963193. The cubic root of 22808385 is about 283.5947445153.

The spelling of 22808385 in words is "twenty-two million, eight hundred eight thousand, three hundred eighty-five".