722864165 has 8 divisors (see below), whose sum is σ = 882139680. Its totient is φ = 568489552.

The previous prime is 722864147. The next prime is 722864201. The reversal of 722864165 is 561468227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722864165 - 2¹² = 722860069 is a prime.

It is a super-2 number, since 2×722864165² = 1045065202082294450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224899 + ... + 1225488.

It is an arithmetic number, because the mean of its divisors is an integer number (110267460).

Almost surely, 2^722864165 is an apocalyptic number.

It is an amenable number.

722864165 is a deficient number, since it is larger than the sum of its proper divisors (159275515).

722864165 is a wasteful number, since it uses less digits than its factorization.

722864165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450451.

The product of its digits is 161280, while the sum is 41.

The square root of 722864165 is about 26886.1333218446. The cubic root of 722864165 is about 897.4678474837.

The spelling of 722864165 in words is "seven hundred twenty-two million, eight hundred sixty-four thousand, one hundred sixty-five".