22508903139 has 4 divisors (see below), whose sum is σ = 30011870856. Its totient is φ = 15005935424.

The previous prime is 22508903111. The next prime is 22508903141. The reversal of 22508903139 is 93130980522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22508903139 - 2⁵ = 22508903107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22508903139.

It is not an unprimeable number, because it can be changed into a prime (22508903189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3751483854 + ... + 3751483859.

It is an arithmetic number, because the mean of its divisors is an integer number (7502967714).

Almost surely, 2^22508903139 is an apocalyptic number.

22508903139 is a deficient number, since it is larger than the sum of its proper divisors (7502967717).

22508903139 is an equidigital number, since it uses as much as digits as its factorization.

22508903139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502967716.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 22508903139 in words is "twenty-two billion, five hundred eight million, nine hundred three thousand, one hundred thirty-nine".