722404319 has 32 divisors (see below), whose sum is σ = 910103040. Its totient is φ = 558214272.

The previous prime is 722404283. The next prime is 722404327. The reversal of 722404319 is 913404227.

It is not a de Polignac number, because 722404319 - 2¹⁶ = 722338783 is a prime.

It is a super-2 number, since 2×722404319² = 1043736000219707522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722404349) 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 in 31 ways as a sum of consecutive naturals, for example, 1057352 + ... + 1058034.

It is an arithmetic number, because the mean of its divisors is an integer number (28440720).

Almost surely, 2^722404319 is an apocalyptic number.

722404319 is a deficient number, since it is larger than the sum of its proper divisors (187698721).

722404319 is a wasteful number, since it uses less digits than its factorization.

722404319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 722404319 is about 26877.5802296263. The cubic root of 722404319 is about 897.2775007296.

The spelling of 722404319 in words is "seven hundred twenty-two million, four hundred four thousand, three hundred nineteen".