722413636 has 24 divisors (see below), whose sum is σ = 1450463616. Its totient is φ = 308398080.

The previous prime is 722413619. The next prime is 722413651. The reversal of 722413636 is 636314227.

It is a super-2 number, since 2×722413636² = 1043762922957480992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43000 + ... + 57391.

It is an arithmetic number, because the mean of its divisors is an integer number (60435984).

Almost surely, 2^722413636 is an apocalyptic number.

It is an amenable number.

722413636 is an abundant number, since it is smaller than the sum of its proper divisors (728049980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722413636 is a wasteful number, since it uses less digits than its factorization.

722413636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100659 (or 100657 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 722413636 is about 26877.7535519619. The cubic root of 722413636 is about 897.2813581718.

The spelling of 722413636 in words is "seven hundred twenty-two million, four hundred thirteen thousand, six hundred thirty-six".