22638064 has 20 divisors (see below), whose sum is σ = 44606520. Its totient is φ = 11126720.

The previous prime is 22638037. The next prime is 22638107. The reversal of 22638064 is 46083622.

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, 11047 + ... + 12934.

It is an arithmetic number, because the mean of its divisors is an integer number (2230326).

Almost surely, 2^22638064 is an apocalyptic number.

It is an amenable number.

22638064 is a deficient number, since it is larger than the sum of its proper divisors (21968456).

22638064 is a wasteful number, since it uses less digits than its factorization.

22638064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048 (or 24042 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 22638064 is about 4757.9474566245. The cubic root of 22638064 is about 282.8870680269.

The spelling of 22638064 in words is "twenty-two million, six hundred thirty-eight thousand, sixty-four".