22038388838 has 32 divisors (see below), whose sum is σ = 36859328640. Its totient is φ = 9821174400.

The previous prime is 22038388811. The next prime is 22038388849. The reversal of 22038388838 is 83888383022.

It is a self number, because there is not a number n which added to its sum of digits gives 22038388838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2063813 + ... + 2074463.

It is an arithmetic number, because the mean of its divisors is an integer number (1151854020).

Almost surely, 2^22038388838 is an apocalyptic number.

22038388838 is a deficient number, since it is larger than the sum of its proper divisors (14820939802).

22038388838 is a wasteful number, since it uses less digits than its factorization.

22038388838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892.

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 22038388838 in words is "twenty-two billion, thirty-eight million, three hundred eighty-eight thousand, eight hundred thirty-eight".