722144032 has 24 divisors (see below), whose sum is σ = 1441201356. Its totient is φ = 356124672.

The previous prime is 722143999. The next prime is 722144081. The reversal of 722144032 is 230441227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 599466256 + 122677776 = 24484^2 + 11076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722143988 and 722144006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152233 + ... + 156904.

Almost surely, 2^722144032 is an apocalyptic number.

It is an amenable number.

722144032 is a deficient number, since it is larger than the sum of its proper divisors (719057324).

722144032 is a wasteful number, since it uses less digits than its factorization.

722144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309220 (or 309212 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 722144032 is about 26872.7377094333. The cubic root of 722144032 is about 897.1697228006.

Adding to 722144032 its reverse (230441227), we get a palindrome (952585259).

The spelling of 722144032 in words is "seven hundred twenty-two million, one hundred forty-four thousand, thirty-two".