722131116 has 48 divisors (see below), whose sum is σ = 1935704064. Its totient is φ = 205249536.

The previous prime is 722131103. The next prime is 722131127. The reversal of 722131116 is 611131227.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6060 + ... + 38483.

It is an arithmetic number, because the mean of its divisors is an integer number (40327168).

Almost surely, 2^722131116 is an apocalyptic number.

It is an amenable number.

722131116 is an abundant number, since it is smaller than the sum of its proper divisors (1213572948).

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

722131116 is a wasteful number, since it uses less digits than its factorization.

722131116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44750 (or 44748 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 722131116 is about 26872.4973904548. The cubic root of 722131116 is about 897.1643739539.

The spelling of 722131116 in words is "seven hundred twenty-two million, one hundred thirty-one thousand, one hundred sixteen".