722868828 has 24 divisors (see below), whose sum is σ = 1840030080. Its totient is φ = 219051120.

The previous prime is 722868803. The next prime is 722868899. The reversal of 722868828 is 828868227.

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, 2738008 + ... + 2738271.

It is an arithmetic number, because the mean of its divisors is an integer number (76667920).

Almost surely, 2^722868828 is an apocalyptic number.

It is an amenable number.

722868828 is an abundant number, since it is smaller than the sum of its proper divisors (1117161252).

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

722868828 is a wasteful number, since it uses less digits than its factorization.

722868828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476297 (or 5476295 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 722868828 is about 26886.2200392692. The cubic root of 722868828 is about 897.4697772532.

The spelling of 722868828 in words is "seven hundred twenty-two million, eight hundred sixty-eight thousand, eight hundred twenty-eight".