22139663 has 16 divisors (see below), whose sum is σ = 27396096. Its totient is φ = 17422560.

The previous prime is 22139651. The next prime is 22139687. The reversal of 22139663 is 36693122.

It is a cyclic number.

It is not a de Polignac number, because 22139663 - 2⁴ = 22139647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22139633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19748 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (1712256).

Almost surely, 2^22139663 is an apocalyptic number.

22139663 is a deficient number, since it is larger than the sum of its proper divisors (5256433).

22139663 is a wasteful number, since it uses less digits than its factorization.

22139663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its digits is 11664, while the sum is 32.

The square root of 22139663 is about 4705.2803317124. The cubic root of 22139663 is about 280.7956239865.

The spelling of 22139663 in words is "twenty-two million, one hundred thirty-nine thousand, six hundred sixty-three".