18872122022 has 32 divisors (see below), whose sum is σ = 31305802752. Its totient is φ = 8478497664.

The previous prime is 18872121997. The next prime is 18872122057. The reversal of 18872122022 is 22022127881.

It is a super-2 number, since 2×18872122022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 121088 + ... + 228924.

It is an arithmetic number, because the mean of its divisors is an integer number (978306336).

Almost surely, 2^18872122022 is an apocalyptic number.

18872122022 is a deficient number, since it is larger than the sum of its proper divisors (12433680730).

18872122022 is a wasteful number, since it uses less digits than its factorization.

18872122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108032.

The product of its (nonzero) digits is 14336, while the sum is 35.

The spelling of 18872122022 in words is "eighteen billion, eight hundred seventy-two million, one hundred twenty-two thousand, twenty-two".