722856264 has 96 divisors (see below), whose sum is σ = 2020320000. Its totient is φ = 215205120.

The previous prime is 722856257. The next prime is 722856271. The reversal of 722856264 is 462658227.

It is an interprime number because it is at equal distance from previous prime (722856257) and next prime (722856271).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122862 + ... + 128610.

It is an arithmetic number, because the mean of its divisors is an integer number (21045000).

Almost surely, 2^722856264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722856264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010160000).

722856264 is an abundant number, since it is smaller than the sum of its proper divisors (1297463736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722856264 is a wasteful number, since it uses less digits than its factorization.

722856264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815 (or 5798 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 722856264 is about 26885.9863869637. The cubic root of 722856264 is about 897.4645776581.

The spelling of 722856264 in words is "seven hundred twenty-two million, eight hundred fifty-six thousand, two hundred sixty-four".