722365216 has 24 divisors (see below), whose sum is σ = 1423241820. Its totient is φ = 360907008.

The previous prime is 722365211. The next prime is 722365253. The reversal of 722365216 is 612563227.

It can be written as a sum of positive squares in 2 ways, for example, as 707772816 + 14592400 = 26604^2 + 3820^2 .

It is not an unprimeable number, because it can be changed into a prime (722365211) 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 3 ways as a sum of consecutive naturals, for example, 37830 + ... + 53626.

Almost surely, 2^722365216 is an apocalyptic number.

It is an amenable number.

722365216 is a deficient number, since it is larger than the sum of its proper divisors (700876604).

722365216 is a wasteful number, since it uses less digits than its factorization.

722365216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17236 (or 17228 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 722365216 is about 26876.8527919472. The cubic root of 722365216 is about 897.2613108693.

The spelling of 722365216 in words is "seven hundred twenty-two million, three hundred sixty-five thousand, two hundred sixteen".