722307983 has 2 divisors, whose sum is σ = 722307984. Its totient is φ = 722307982.

The previous prime is 722307979. The next prime is 722307991. The reversal of 722307983 is 389703227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722307983 - 2² = 722307979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722307983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722307923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361153991 + 361153992.

It is an arithmetic number, because the mean of its divisors is an integer number (361153992).

Almost surely, 2^722307983 is an apocalyptic number.

722307983 is a deficient number, since it is larger than the sum of its proper divisors (1).

722307983 is an equidigital number, since it uses as much as digits as its factorization.

722307983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 722307983 is about 26875.7880442602. The cubic root of 722307983 is about 897.2376135706.

The spelling of 722307983 in words is "seven hundred twenty-two million, three hundred seven thousand, nine hundred eighty-three".