22638982 has 8 divisors (see below), whose sum is σ = 33997176. Its totient is φ = 11306592.

The previous prime is 22638971. The next prime is 22639031. The reversal of 22638982 is 28983622.

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

It is a congruent number.

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, 4083 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (4249647).

Almost surely, 2^22638982 is an apocalyptic number.

22638982 is a deficient number, since it is larger than the sum of its proper divisors (11358194).

22638982 is a wasteful number, since it uses less digits than its factorization.

22638982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12902.

The product of its digits is 82944, while the sum is 40.

The square root of 22638982 is about 4758.0439258166. The cubic root of 22638982 is about 282.8908917758.

The spelling of 22638982 in words is "twenty-two million, six hundred thirty-eight thousand, nine hundred eighty-two".