22139010 has 24 divisors (see below), whose sum is σ = 57561660. Its totient is φ = 5903712.

The previous prime is 22139003. The next prime is 22139027. The reversal of 22139010 is 1093122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21650409 + 488601 = 4653^2 + 699^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122905 + ... + 123084.

Almost surely, 2^22139010 is an apocalyptic number.

22139010 is an abundant number, since it is smaller than the sum of its proper divisors (35422650).

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

22139010 is a wasteful number, since it uses less digits than its factorization.

22139010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246002 (or 245999 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 22139010 is about 4705.2109410737. The cubic root of 22139010 is about 280.7928633100.

The spelling of 22139010 in words is "twenty-two million, one hundred thirty-nine thousand, ten".