722264 has 16 divisors (see below), whose sum is σ = 1366200. Its totient is φ = 357952.

The previous prime is 722257. The next prime is 722273. The reversal of 722264 is 462227.

It is a congruent number.

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, 767 + ... + 1425.

2⁷²²²⁶⁴ is an apocalyptic number.

It is an amenable number.

722264 is a deficient number, since it is larger than the sum of its proper divisors (643936).

722264 is a wasteful number, since it uses less digits than its factorization.

722264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 798 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 722264 is about 849.8611651323. The cubic root of 722264 is about 89.7219401578.

The spelling of 722264 in words is "seven hundred twenty-two thousand, two hundred sixty-four".