722430832 has 20 divisors (see below), whose sum is σ = 1447976520. Its totient is φ = 348759488.

The previous prime is 722430829. The next prime is 722430847. The reversal of 722430832 is 238034227.

It is a junction number, because it is equal to n+sod(n) for n = 722430794 and 722430803.

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, 778018 + ... + 778945.

It is an arithmetic number, because the mean of its divisors is an integer number (72398826).

Almost surely, 2^722430832 is an apocalyptic number.

It is an amenable number.

722430832 is an abundant number, since it is smaller than the sum of its proper divisors (725545688).

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

722430832 is a wasteful number, since it uses less digits than its factorization.

722430832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557000 (or 1556994 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 722430832 is about 26878.0734428642. The cubic root of 722430832 is about 897.2884776054.

The spelling of 722430832 in words is "seven hundred twenty-two million, four hundred thirty thousand, eight hundred thirty-two".