722045719 has 2 divisors, whose sum is σ = 722045720. Its totient is φ = 722045718.

The previous prime is 722045699. The next prime is 722045761. The reversal of 722045719 is 917540227.

It is a weak prime.

It is an emirp because it is prime and its reverse (917540227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722045719 - 2¹⁷ = 721914647 is a prime.

It is a super-2 number, since 2×722045719² = 1042700040652453922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722045119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361022859 + 361022860.

It is an arithmetic number, because the mean of its divisors is an integer number (361022860).

Almost surely, 2^722045719 is an apocalyptic number.

722045719 is a deficient number, since it is larger than the sum of its proper divisors (1).

722045719 is an equidigital number, since it uses as much as digits as its factorization.

722045719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 722045719 is about 26870.9084141195. The cubic root of 722045719 is about 897.1290072619.

The spelling of 722045719 in words is "seven hundred twenty-two million, forty-five thousand, seven hundred nineteen".