722316943 has 2 divisors, whose sum is σ = 722316944. Its totient is φ = 722316942.

The previous prime is 722316937. The next prime is 722316979. The reversal of 722316943 is 349613227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722316943 - 2⁵ = 722316911 is a prime.

It is a super-2 number, since 2×722316943² = 1043483532289730498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722316983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361158471 + 361158472.

It is an arithmetic number, because the mean of its divisors is an integer number (361158472).

Almost surely, 2^722316943 is an apocalyptic number.

722316943 is a deficient number, since it is larger than the sum of its proper divisors (1).

722316943 is an equidigital number, since it uses as much as digits as its factorization.

722316943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 722316943 is about 26875.9547365298. The cubic root of 722316943 is about 897.2413235373.

The spelling of 722316943 in words is "seven hundred twenty-two million, three hundred sixteen thousand, nine hundred forty-three".