872122044 has 48 divisors (see below), whose sum is σ = 2093414400. Its totient is φ = 282428160.

The previous prime is 872122019. The next prime is 872122109. The reversal of 872122044 is 440221278.

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, 94132 + ... + 102980.

It is an arithmetic number, because the mean of its divisors is an integer number (43612800).

Almost surely, 2^872122044 is an apocalyptic number.

It is an amenable number.

872122044 is an abundant number, since it is smaller than the sum of its proper divisors (1221292356).

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

872122044 is a wasteful number, since it uses less digits than its factorization.

872122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090 (or 9088 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 872122044 is about 29531.7125138384. The cubic root of 872122044 is about 955.4158049715.

The spelling of 872122044 in words is "eight hundred seventy-two million, one hundred twenty-two thousand, forty-four".