722125524 has 24 divisors (see below), whose sum is σ = 1784075328. Its totient is φ = 226549120.

The previous prime is 722125499. The next prime is 722125529. The reversal of 722125524 is 425521227.

It is a junction number, because it is equal to n+sod(n) for n = 722125491 and 722125500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722125529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769712 + ... + 1770119.

It is an arithmetic number, because the mean of its divisors is an integer number (74336472).

Almost surely, 2^722125524 is an apocalyptic number.

It is an amenable number.

722125524 is an abundant number, since it is smaller than the sum of its proper divisors (1061949804).

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

722125524 is a wasteful number, since it uses less digits than its factorization.

722125524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539855 (or 3539853 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 722125524 is about 26872.3933433552. The cubic root of 722125524 is about 897.1620581435.

The spelling of 722125524 in words is "seven hundred twenty-two million, one hundred twenty-five thousand, five hundred twenty-four".