722015719 has 2 divisors, whose sum is σ = 722015720. Its totient is φ = 722015718.

The previous prime is 722015689. The next prime is 722015729. The reversal of 722015719 is 917510227.

722015719 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 722015719 - 2²⁵ = 688461287 is a prime.

It is a super-2 number, since 2×722015719² = 1042613396966173922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722015729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361007859 + 361007860.

It is an arithmetic number, because the mean of its divisors is an integer number (361007860).

Almost surely, 2^722015719 is an apocalyptic number.

722015719 is a deficient number, since it is larger than the sum of its proper divisors (1).

722015719 is an equidigital number, since it uses as much as digits as its factorization.

722015719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 722015719 is about 26870.3501837992. The cubic root of 722015719 is about 897.1165822670.

The spelling of 722015719 in words is "seven hundred twenty-two million, fifteen thousand, seven hundred nineteen".