722445052 has 12 divisors (see below), whose sum is σ = 1444890160. Its totient is φ = 309619296.

The previous prime is 722445043. The next prime is 722445083. The reversal of 722445052 is 250544227.

722445052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12900777 + ... + 12900832.

Almost surely, 2^722445052 is an apocalyptic number.

It is an amenable number.

722445052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

722445052 is a wasteful number, since it uses less digits than its factorization.

722445052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25801620 (or 25801618 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 722445052 is about 26878.3379694504. The cubic root of 722445052 is about 897.2943648396.

Adding to 722445052 its reverse (250544227), we get a palindrome (972989279).

The spelling of 722445052 in words is "seven hundred twenty-two million, four hundred forty-five thousand, fifty-two".