722271361164 has 24 divisors (see below), whose sum is σ = 1685901599088. Its totient is φ = 240671155200.

The previous prime is 722271361117. The next prime is 722271361181. The reversal of 722271361164 is 461163172227.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10710637 + ... + 10777860.

It is an arithmetic number, because the mean of its divisors is an integer number (70245899962).

Almost surely, 2^722271361164 is an apocalyptic number.

It is an amenable number.

722271361164 is an abundant number, since it is smaller than the sum of its proper divisors (963630237924).

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

722271361164 is a wasteful number, since it uses less digits than its factorization.

722271361164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491305 (or 21491303 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The spelling of 722271361164 in words is "seven hundred twenty-two billion, two hundred seventy-one million, three hundred sixty-one thousand, one hundred sixty-four".