722862313 has 2 divisors, whose sum is σ = 722862314. Its totient is φ = 722862312.

The previous prime is 722862311. The next prime is 722862317. The reversal of 722862313 is 313268227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 574704729 + 148157584 = 23973^2 + 12172^2 .

It is a cyclic number.

It is not a de Polignac number, because 722862313 - 2¹ = 722862311 is a prime.

Together with 722862311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (722862311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361431156 + 361431157.

It is an arithmetic number, because the mean of its divisors is an integer number (361431157).

Almost surely, 2^722862313 is an apocalyptic number.

It is an amenable number.

722862313 is a deficient number, since it is larger than the sum of its proper divisors (1).

722862313 is an equidigital number, since it uses as much as digits as its factorization.

722862313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 722862313 is about 26886.0988802764. The cubic root of 722862313 is about 897.4670810364.

The spelling of 722862313 in words is "seven hundred twenty-two million, eight hundred sixty-two thousand, three hundred thirteen".