872818422 has 32 divisors (see below), whose sum is σ = 2010734592. Its totient is φ = 247411584.

The previous prime is 872818417. The next prime is 872818433. The reversal of 872818422 is 224818278.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 76483 + ... + 87150.

It is an arithmetic number, because the mean of its divisors is an integer number (62835456).

Almost surely, 2^872818422 is an apocalyptic number.

872818422 is an abundant number, since it is smaller than the sum of its proper divisors (1137916170).

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

872818422 is a wasteful number, since it uses less digits than its factorization.

872818422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163772.

The product of its digits is 114688, while the sum is 42.

The square root of 872818422 is about 29543.5005034948. The cubic root of 872818422 is about 955.6700329757.

It can be divided in two parts, 87281 and 8422, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 872818422 in words is "eight hundred seventy-two million, eight hundred eighteen thousand, four hundred twenty-two".