725222388589 has 32 divisors (see below), whose sum is σ = 772099200000. Its totient is φ = 680302022400.

The previous prime is 725222388571. The next prime is 725222388599. The reversal of 725222388589 is 985883222527.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 725222388589 - 2¹¹ = 725222386541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725222388509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34941787 + ... + 34962535.

It is an arithmetic number, because the mean of its divisors is an integer number (24128100000).

Almost surely, 2^725222388589 is an apocalyptic number.

It is an amenable number.

725222388589 is a deficient number, since it is larger than the sum of its proper divisors (46876811411).

725222388589 is a wasteful number, since it uses less digits than its factorization.

725222388589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133.

The product of its digits is 38707200, while the sum is 61.

The spelling of 725222388589 in words is "seven hundred twenty-five billion, two hundred twenty-two million, three hundred eighty-eight thousand, five hundred eighty-nine".