22139936 has 48 divisors (see below), whose sum is σ = 53653824. Its totient is φ = 8757504.

The previous prime is 22139911. The next prime is 22139981. The reversal of 22139936 is 63993122.

It is a junction number, because it is equal to n+sod(n) for n = 22139896 and 22139905.

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, 890 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (1117788).

Almost surely, 2^22139936 is an apocalyptic number.

22139936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22139936 is an abundant number, since it is smaller than the sum of its proper divisors (31513888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22139936 is a wasteful number, since it uses less digits than its factorization.

22139936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633 (or 7625 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 22139936 is about 4705.3093415842. The cubic root of 22139936 is about 280.7967781277.

The spelling of 22139936 in words is "twenty-two million, one hundred thirty-nine thousand, nine hundred thirty-six".