722125488 has 160 divisors (see below), whose sum is σ = 2202652672. Its totient is φ = 199584000.

The previous prime is 722125487. The next prime is 722125489. The reversal of 722125488 is 884521227.

It is an interprime number because it is at equal distance from previous prime (722125487) and next prime (722125489).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (722125487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2181483 + ... + 2181813.

Almost surely, 2^722125488 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 722125488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101326336).

722125488 is an abundant number, since it is smaller than the sum of its proper divisors (1480527184).

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

722125488 is a wasteful number, since it uses less digits than its factorization.

722125488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 722125488 is about 26872.3926735228. The cubic root of 722125488 is about 897.1620432348.

The spelling of 722125488 in words is "seven hundred twenty-two million, one hundred twenty-five thousand, four hundred eighty-eight".