722624444 has 12 divisors (see below), whose sum is σ = 1264922568. Its totient is φ = 361218000.

The previous prime is 722624437. The next prime is 722624459. The reversal of 722624444 is 444426227.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4607 + ... + 38294.

It is an arithmetic number, because the mean of its divisors is an integer number (105410214).

Almost surely, 2^722624444 is an apocalyptic number.

It is an amenable number.

722624444 is a deficient number, since it is larger than the sum of its proper divisors (542298124).

722624444 is a wasteful number, since it uses less digits than its factorization.

722624444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47116 (or 47114 counting only the distinct ones).

The product of its digits is 86016, while the sum is 35.

The square root of 722624444 is about 26881.6748734152. The cubic root of 722624444 is about 897.3686284387.

The spelling of 722624444 in words is "seven hundred twenty-two million, six hundred twenty-four thousand, four hundred forty-four".