722445472 has 24 divisors (see below), whose sum is σ = 1625502816. Its totient is φ = 309619392.

The previous prime is 722445431. The next prime is 722445473. The reversal of 722445472 is 274544227.

It is not an unprimeable number, because it can be changed into a prime (722445473) 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, 1612378 + ... + 1612825.

It is an arithmetic number, because the mean of its divisors is an integer number (67729284).

Almost surely, 2^722445472 is an apocalyptic number.

It is an amenable number.

722445472 is an abundant number, since it is smaller than the sum of its proper divisors (903057344).

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

722445472 is a wasteful number, since it uses less digits than its factorization.

722445472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225220 (or 3225212 counting only the distinct ones).

The product of its digits is 125440, while the sum is 37.

The square root of 722445472 is about 26878.3457824324. The cubic root of 722445472 is about 897.2945387229.

Adding to 722445472 its reverse (274544227), we get a palindrome (996989699).

The spelling of 722445472 in words is "seven hundred twenty-two million, four hundred forty-five thousand, four hundred seventy-two".