22682988 has 36 divisors (see below), whose sum is σ = 59317440. Its totient is φ = 7299936.

The previous prime is 22682977. The next prime is 22683013. The reversal of 22682988 is 88928622.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9820 + ... + 11907.

Almost surely, 2^22682988 is an apocalyptic number.

It is an amenable number.

22682988 is an abundant number, since it is smaller than the sum of its proper divisors (36634452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22682988 is a wasteful number, since it uses less digits than its factorization.

22682988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21766 (or 21761 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 22682988 is about 4762.6660600970. Note that the first 3 decimals coincide. The cubic root of 22682988 is about 283.0740690223.

The spelling of 22682988 in words is "twenty-two million, six hundred eighty-two thousand, nine hundred eighty-eight".