722823725 has 12 divisors (see below), whose sum is σ = 965248116. Its totient is φ = 533777280.

The previous prime is 722823701. The next prime is 722823791. The reversal of 722823725 is 527328227.

722823725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 71859529 + 650964196 = 8477^2 + 25514^2 .

It is not a de Polignac number, because 722823725 - 2⁸ = 722823469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111712 + ... + 1112361.

It is an arithmetic number, because the mean of its divisors is an integer number (80437343).

Almost surely, 2^722823725 is an apocalyptic number.

It is an amenable number.

722823725 is a deficient number, since it is larger than the sum of its proper divisors (242424391).

722823725 is a wasteful number, since it uses less digits than its factorization.

722823725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224096 (or 2224091 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 722823725 is about 26885.3812507839. The cubic root of 722823725 is about 897.4511111551.

The spelling of 722823725 in words is "seven hundred twenty-two million, eight hundred twenty-three thousand, seven hundred twenty-five".