22890508 has 12 divisors (see below), whose sum is σ = 40351752. Its totient is φ = 11361440.

The previous prime is 22890499. The next prime is 22890521. The reversal of 22890508 is 80509822.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20338 + ... + 21433.

It is an arithmetic number, because the mean of its divisors is an integer number (3362646).

Almost surely, 2^22890508 is an apocalyptic number.

It is an amenable number.

22890508 is a deficient number, since it is larger than the sum of its proper divisors (17461244).

22890508 is a wasteful number, since it uses less digits than its factorization.

22890508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41912 (or 41910 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 22890508 is about 4784.4025750348. The cubic root of 22890508 is about 283.9347036289.

The spelling of 22890508 in words is "twenty-two million, eight hundred ninety thousand, five hundred eight".