22038131875 has 20 divisors (see below), whose sum is σ = 27555735592. Its totient is φ = 17619696000.

The previous prime is 22038131839. The next prime is 22038131879. The reversal of 22038131875 is 57813183022.

It is a happy number.

It is not a de Polignac number, because 22038131875 - 2¹³ = 22038123683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22038131879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1100704 + ... + 1120546.

Almost surely, 2^22038131875 is an apocalyptic number.

22038131875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22038131875 is a deficient number, since it is larger than the sum of its proper divisors (5517603717).

22038131875 is an equidigital number, since it uses as much as digits as its factorization.

22038131875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21640 (or 21625 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 22038131875 in words is "twenty-two billion, thirty-eight million, one hundred thirty-one thousand, eight hundred seventy-five".