722723774331 has 16 divisors (see below), whose sum is σ = 1082877094656. Its totient is φ = 425416000416.

The previous prime is 722723774321. The next prime is 722723774341. The reversal of 722723774331 is 133477327227.

It is an interprime number because it is at equal distance from previous prime (722723774321) and next prime (722723774341).

It is not a de Polignac number, because 722723774331 - 2⁷ = 722723774203 is a prime.

It is a super-2 number, since 2×722723774331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722723774321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402855165 + ... + 402856958.

It is an arithmetic number, because the mean of its divisors is an integer number (67679818416).

Almost surely, 2^722723774331 is an apocalyptic number.

722723774331 is a deficient number, since it is larger than the sum of its proper divisors (360153320325).

722723774331 is a wasteful number, since it uses less digits than its factorization.

722723774331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805712162.

The product of its digits is 2074464, while the sum is 48.

The spelling of 722723774331 in words is "seven hundred twenty-two billion, seven hundred twenty-three million, seven hundred seventy-four thousand, three hundred thirty-one".