722237158912 has 80 divisors (see below), whose sum is σ = 1519946310960. Its totient is φ = 341902467072.

The previous prime is 722237158897. The next prime is 722237158987. The reversal of 722237158912 is 219851732227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16447578 + ... + 16491430.

It is an arithmetic number, because the mean of its divisors is an integer number (18999328887).

Almost surely, 2^722237158912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722237158912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759973155480).

722237158912 is an abundant number, since it is smaller than the sum of its proper divisors (797709152048).

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

722237158912 is a wasteful number, since it uses less digits than its factorization.

722237158912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45583 (or 45567 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The spelling of 722237158912 in words is "seven hundred twenty-two billion, two hundred thirty-seven million, one hundred fifty-eight thousand, nine hundred twelve".