722246164 has 24 divisors (see below), whose sum is σ = 1331375360. Its totient is φ = 341879616.

The previous prime is 722246141. The next prime is 722246191. The reversal of 722246164 is 461642227.

It is a congruent number.

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, 160189 + ... + 164635.

Almost surely, 2^722246164 is an apocalyptic number.

It is an amenable number.

722246164 is a deficient number, since it is larger than the sum of its proper divisors (609129196).

722246164 is a wasteful number, since it uses less digits than its factorization.

722246164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607 (or 6605 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 722246164 is about 26874.6379324448. The cubic root of 722246164 is about 897.2120160342.

The spelling of 722246164 in words is "seven hundred twenty-two million, two hundred forty-six thousand, one hundred sixty-four".