722133566 has 48 divisors (see below), whose sum is σ = 1370325600. Its totient is φ = 279364800.

The previous prime is 722133563. The next prime is 722133617. The reversal of 722133566 is 665331227.

722133566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722133563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250976 + ... + 253836.

It is an arithmetic number, because the mean of its divisors is an integer number (28548450).

Almost surely, 2^722133566 is an apocalyptic number.

722133566 is a deficient number, since it is larger than the sum of its proper divisors (648192034).

722133566 is a wasteful number, since it uses less digits than its factorization.

722133566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3030 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 722133566 is about 26872.5429760564. The cubic root of 722133566 is about 897.1653885666.

The spelling of 722133566 in words is "seven hundred twenty-two million, one hundred thirty-three thousand, five hundred sixty-six".