722237725 has 12 divisors (see below), whose sum is σ = 976991040. Its totient is φ = 525263600.

The previous prime is 722237723. The next prime is 722237729. The reversal of 722237725 is 527732227.

722237725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722237725 - 2¹ = 722237723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722237723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312885 + ... + 1313434.

It is an arithmetic number, because the mean of its divisors is an integer number (81415920).

Almost surely, 2^722237725 is an apocalyptic number.

It is an amenable number.

722237725 is a deficient number, since it is larger than the sum of its proper divisors (254753315).

722237725 is a wasteful number, since it uses less digits than its factorization.

722237725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626340 (or 2626335 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 722237725 is about 26874.4809252197. The cubic root of 722237725 is about 897.2085215647.

The spelling of 722237725 in words is "seven hundred twenty-two million, two hundred thirty-seven thousand, seven hundred twenty-five".