722316937 has 2 divisors, whose sum is σ = 722316938. Its totient is φ = 722316936.

The previous prime is 722316911. The next prime is 722316943. The reversal of 722316937 is 739613227.

722316937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467467641 + 254849296 = 21621^2 + 15964^2 .

It is a cyclic number.

It is not a de Polignac number, because 722316937 - 2⁷ = 722316809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722316937.

It is not a weakly prime, because it can be changed into another prime (722316037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361158468 + 361158469.

It is an arithmetic number, because the mean of its divisors is an integer number (361158469).

Almost surely, 2^722316937 is an apocalyptic number.

It is an amenable number.

722316937 is a deficient number, since it is larger than the sum of its proper divisors (1).

722316937 is an equidigital number, since it uses as much as digits as its factorization.

722316937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The square root of 722316937 is about 26875.9546249059. The cubic root of 722316937 is about 897.2413210529.

The spelling of 722316937 in words is "seven hundred twenty-two million, three hundred sixteen thousand, nine hundred thirty-seven".