722000512 has 16 divisors (see below), whose sum is σ = 1438360650. Its totient is φ = 361000192.

The previous prime is 722000507. The next prime is 722000519. The reversal of 722000512 is 215000227.

It can be written as a sum of positive squares in only one way, i.e., 361608256 + 360392256 = 19016^2 + 18984^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 722000512.

It is not an unprimeable number, because it can be changed into a prime (722000519) by changing a digit.

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 as a sum of consecutive naturals, namely, 2820187 + ... + 2820442.

Almost surely, 2^722000512 is an apocalyptic number.

It is an amenable number.

722000512 is a deficient number, since it is larger than the sum of its proper divisors (716360138).

722000512 is an equidigital number, since it uses as much as digits as its factorization.

722000512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640643 (or 5640631 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 722000512 is about 26870.0672124206. The cubic root of 722000512 is about 897.1102839057.

Adding to 722000512 its reverse (215000227), we get a palindrome (937000739).

The spelling of 722000512 in words is "seven hundred twenty-two million, five hundred twelve", and thus it is an aban number.