872422444518 has 32 divisors (see below), whose sum is σ = 1747653895680. Its totient is φ = 290339532000.

The previous prime is 872422444511. The next prime is 872422444529. The reversal of 872422444518 is 815444224278.

It is a super-2 number, since 2×872422444518² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872422444511) 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 15 ways as a sum of consecutive naturals, for example, 17444793 + ... + 17494731.

It is an arithmetic number, because the mean of its divisors is an integer number (54614184240).

Almost surely, 2^872422444518 is an apocalyptic number.

872422444518 is an abundant number, since it is smaller than the sum of its proper divisors (875231451162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872422444518 is a wasteful number, since it uses less digits than its factorization.

872422444518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54572.

The product of its digits is 4587520, while the sum is 51.

The spelling of 872422444518 in words is "eight hundred seventy-two billion, four hundred twenty-two million, four hundred forty-four thousand, five hundred eighteen".