22415139 has 12 divisors (see below), whose sum is σ = 33422272. Its totient is φ = 14461200.

The previous prime is 22415123. The next prime is 22415143. The reversal of 22415139 is 93151422.

It is not a de Polignac number, because 22415139 - 2⁴ = 22415123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22411139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39892 + ... + 40449.

Almost surely, 2^22415139 is an apocalyptic number.

22415139 is a deficient number, since it is larger than the sum of its proper divisors (11007133).

22415139 is a wasteful number, since it uses less digits than its factorization.

22415139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80378 (or 80375 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 22415139 is about 4734.4629051245. The cubic root of 22415139 is about 281.9554403715.

The spelling of 22415139 in words is "twenty-two million, four hundred fifteen thousand, one hundred thirty-nine".