722864252 has 24 divisors (see below), whose sum is σ = 1381069872. Its totient is φ = 328323200.

The previous prime is 722864251. The next prime is 722864279. The reversal of 722864252 is 252468227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722864251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59618 + ... + 70710.

It is an arithmetic number, because the mean of its divisors is an integer number (57544578).

Almost surely, 2^722864252 is an apocalyptic number.

It is an amenable number.

722864252 is a deficient number, since it is larger than the sum of its proper divisors (658205620).

722864252 is a wasteful number, since it uses less digits than its factorization.

722864252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589 (or 12587 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 722864252 is about 26886.1349397789. The cubic root of 722864252 is about 897.4678834885.

The spelling of 722864252 in words is "seven hundred twenty-two million, eight hundred sixty-four thousand, two hundred fifty-two".