722307979 has 2 divisors, whose sum is σ = 722307980. Its totient is φ = 722307978.

The previous prime is 722307973. The next prime is 722307983. The reversal of 722307979 is 979703227.

It is a happy number.

722307979 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 is a cyclic number.

It is not a de Polignac number, because 722307979 - 2¹¹ = 722305931 is a prime.

It is not a weakly prime, because it can be changed into another prime (722307973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361153989 + 361153990.

It is an arithmetic number, because the mean of its divisors is an integer number (361153990).

Almost surely, 2^722307979 is an apocalyptic number.

722307979 is a deficient number, since it is larger than the sum of its proper divisors (1).

722307979 is an equidigital number, since it uses as much as digits as its factorization.

722307979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 722307979 is about 26875.7879698438. The cubic root of 722307979 is about 897.2376119143.

The spelling of 722307979 in words is "seven hundred twenty-two million, three hundred seven thousand, nine hundred seventy-nine".