722364949665 has 16 divisors (see below), whose sum is σ = 1284204355200. Its totient is φ = 385261306416.

The previous prime is 722364949643. The next prime is 722364949673. The reversal of 722364949665 is 566949463227.

722364949665 is a `hidden beast` number, since 7 + 2 + 23 + 64 + 9 + 496 + 65 = 666.

It is not a de Polignac number, because 722364949665 - 2⁵ = 722364949633 is a prime.

It is a super-2 number, since 2×722364949665² (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 15 ways as a sum of consecutive naturals, for example, 2675425605 + ... + 2675425874.

It is an arithmetic number, because the mean of its divisors is an integer number (80262772200).

Almost surely, 2^722364949665 is an apocalyptic number.

It is an amenable number.

722364949665 is a deficient number, since it is larger than the sum of its proper divisors (561839405535).

722364949665 is a wasteful number, since it uses less digits than its factorization.

722364949665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350851493 (or 5350851487 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 63.

The spelling of 722364949665 in words is "seven hundred twenty-two billion, three hundred sixty-four million, nine hundred forty-nine thousand, six hundred sixty-five".