722524152 has 64 divisors (see below), whose sum is σ = 2071019520. Its totient is φ = 205769088.

The previous prime is 722524133. The next prime is 722524169. The reversal of 722524152 is 251425227.

It is a congruent number.

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, 46473 + ... + 60039.

It is an arithmetic number, because the mean of its divisors is an integer number (32359680).

Almost surely, 2^722524152 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 722524152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035509760).

722524152 is an abundant number, since it is smaller than the sum of its proper divisors (1348495368).

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

722524152 is a wasteful number, since it uses less digits than its factorization.

722524152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900 (or 13896 counting only the distinct ones).

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

The square root of 722524152 is about 26879.8093743241. The cubic root of 722524152 is about 897.3271116872.

Adding to 722524152 its reverse (251425227), we get a palindrome (973949379).

The spelling of 722524152 in words is "seven hundred twenty-two million, five hundred twenty-four thousand, one hundred fifty-two".