724022444 has 24 divisors (see below), whose sum is σ = 1305167136. Its totient is φ = 351216000.

The previous prime is 724022443. The next prime is 724022447. The reversal of 724022444 is 444220427.

It is not an unprimeable number, because it can be changed into a prime (724022441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17489 + ... + 41879.

It is an arithmetic number, because the mean of its divisors is an integer number (54381964).

Almost surely, 2^724022444 is an apocalyptic number.

It is an amenable number.

724022444 is a deficient number, since it is larger than the sum of its proper divisors (581144692).

724022444 is a wasteful number, since it uses less digits than its factorization.

724022444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24617 (or 24615 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 724022444 is about 26907.6651532607. The cubic root of 724022444 is about 897.9469432263.

The spelling of 724022444 in words is "seven hundred twenty-four million, twenty-two thousand, four hundred forty-four".