722311112791 has 2 divisors, whose sum is σ = 722311112792. Its totient is φ = 722311112790.

The previous prime is 722311112773. The next prime is 722311112879. The reversal of 722311112791 is 197211113227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722311112791 - 2⁹ = 722311112279 is a prime.

It is a super-2 number, since 2×722311112791² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722311112791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722311112191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361155556395 + 361155556396.

It is an arithmetic number, because the mean of its divisors is an integer number (361155556396).

Almost surely, 2^722311112791 is an apocalyptic number.

722311112791 is a deficient number, since it is larger than the sum of its proper divisors (1).

722311112791 is an equidigital number, since it uses as much as digits as its factorization.

722311112791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 37.

The spelling of 722311112791 in words is "seven hundred twenty-two billion, three hundred eleven million, one hundred twelve thousand, seven hundred ninety-one".