722636822764 has 12 divisors (see below), whose sum is σ = 1264653506088. Its totient is φ = 361307249600.

The previous prime is 722636822759. The next prime is 722636822779. The reversal of 722636822764 is 467228636227.

It is a super-2 number, since 2×722636822764² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643922 + ... + 2904409.

It is an arithmetic number, because the mean of its divisors is an integer number (105387792174).

Almost surely, 2^722636822764 is an apocalyptic number.

It is an amenable number.

722636822764 is a deficient number, since it is larger than the sum of its proper divisors (542016683324).

722636822764 is a wasteful number, since it uses less digits than its factorization.

722636822764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580896 (or 5580894 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 55.

The spelling of 722636822764 in words is "seven hundred twenty-two billion, six hundred thirty-six million, eight hundred twenty-two thousand, seven hundred sixty-four".