18822110938 has 16 divisors (see below), whose sum is σ = 28274775840. Its totient is φ = 9397198800.

The previous prime is 18822110929. The next prime is 18822110941. The reversal of 18822110938 is 83901122881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18822110894 and 18822110903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6333793 + ... + 6336763.

It is an arithmetic number, because the mean of its divisors is an integer number (1767173490).

Almost surely, 2^18822110938 is an apocalyptic number.

18822110938 is a deficient number, since it is larger than the sum of its proper divisors (9452664902).

18822110938 is a wasteful number, since it uses less digits than its factorization.

18822110938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 18822110938 in words is "eighteen billion, eight hundred twenty-two million, one hundred ten thousand, nine hundred thirty-eight".