722413252 has 12 divisors (see below), whose sum is σ = 1379152656. Its totient is φ = 328369640.

The previous prime is 722413213. The next prime is 722413253. The reversal of 722413252 is 252314227.

It is a self number, because there is not a number n which added to its sum of digits gives 722413252.

It is not an unprimeable number, because it can be changed into a prime (722413253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8209198 + ... + 8209285.

It is an arithmetic number, because the mean of its divisors is an integer number (114929388).

Almost surely, 2^722413252 is an apocalyptic number.

It is an amenable number.

722413252 is a deficient number, since it is larger than the sum of its proper divisors (656739404).

722413252 is a wasteful number, since it uses less digits than its factorization.

722413252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418498 (or 16418496 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 722413252 is about 26877.7464085068. The cubic root of 722413252 is about 897.2811991880.

Adding to 722413252 its reverse (252314227), we get a palindrome (974727479).

The spelling of 722413252 in words is "seven hundred twenty-two million, four hundred thirteen thousand, two hundred fifty-two".