844922168220 has 96 divisors (see below), whose sum is σ = 2635619353920. Its totient is φ = 200809082880.

The previous prime is 844922168213. The next prime is 844922168261. The reversal of 844922168220 is 22861229448.

It is a self number, because there is not a number n which added to its sum of digits gives 844922168220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18653821 + ... + 18699060.

It is an arithmetic number, because the mean of its divisors is an integer number (27454368270).

Almost surely, 2^844922168220 is an apocalyptic number.

It is an amenable number.

844922168220 is an abundant number, since it is smaller than the sum of its proper divisors (1790697185700).

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

844922168220 is a wasteful number, since it uses less digits than its factorization.

844922168220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37352935 (or 37352933 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 844922168220 in words is "eight hundred forty-four billion, nine hundred twenty-two million, one hundred sixty-eight thousand, two hundred twenty".