22139884 has 24 divisors (see below), whose sum is σ = 41855408. Its totient is φ = 10186560.

The previous prime is 22139881. The next prime is 22139891. The reversal of 22139884 is 48893122.

It is not an unprimeable number, because it can be changed into a prime (22139881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27739 + ... + 28525.

Almost surely, 2^22139884 is an apocalyptic number.

It is an amenable number.

22139884 is a deficient number, since it is larger than the sum of its proper divisors (19715524).

22139884 is a wasteful number, since it uses less digits than its factorization.

22139884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1343 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 22139884 is about 4705.3038159082. The cubic root of 22139884 is about 280.7965582920.

The spelling of 22139884 in words is "twenty-two million, one hundred thirty-nine thousand, eight hundred eighty-four".