22086638 has 16 divisors (see below), whose sum is σ = 40090464. Its totient is φ = 8908800.

The previous prime is 22086629. The next prime is 22086671. The reversal of 22086638 is 83668022.

It is a junction number, because it is equal to n+sod(n) for n = 22086598 and 22086607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46163 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (2505654).

Almost surely, 2^22086638 is an apocalyptic number.

22086638 is a deficient number, since it is larger than the sum of its proper divisors (18003826).

22086638 is a wasteful number, since it uses less digits than its factorization.

22086638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92827.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22086638 is about 4699.6423268159. The cubic root of 22086638 is about 280.5712741330.

The spelling of 22086638 in words is "twenty-two million, eighty-six thousand, six hundred thirty-eight".