722331036 has 72 divisors (see below), whose sum is σ = 2096013920. Its totient is φ = 205462656.

The previous prime is 722331023. The next prime is 722331059. The reversal of 722331036 is 630133227.

It is a congruent number.

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, 51450 + ... + 63966.

Almost surely, 2^722331036 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 722331036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048006960).

722331036 is an abundant number, since it is smaller than the sum of its proper divisors (1373682884).

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

722331036 is a wasteful number, since it uses less digits than its factorization.

722331036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763 (or 12758 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 722331036 is about 26876.2169212856. The cubic root of 722331036 is about 897.2471588057.

The spelling of 722331036 in words is "seven hundred twenty-two million, three hundred thirty-one thousand, thirty-six".