22638514 has 16 divisors (see below), whose sum is σ = 34417152. Its totient is φ = 11167488.

The previous prime is 22638491. The next prime is 22638523. The reversal of 22638514 is 41583622.

It is a super-2 number, since 2×22638514² = 1025004632256392, which contains 22 as substring.

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, 85947 + ... + 86209.

It is an arithmetic number, because the mean of its divisors is an integer number (2151072).

Almost surely, 2^22638514 is an apocalyptic number.

22638514 is a deficient number, since it is larger than the sum of its proper divisors (11778638).

22638514 is a wasteful number, since it uses less digits than its factorization.

22638514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its digits is 11520, while the sum is 31.

The square root of 22638514 is about 4757.9947456886. The cubic root of 22638514 is about 282.8889424265. Note that the first 3 decimals are identical.

The spelling of 22638514 in words is "twenty-two million, six hundred thirty-eight thousand, five hundred fourteen".