8659225897722 has 32 divisors (see below), whose sum is σ = 19243922016960. Its totient is φ = 2886228962640.

The previous prime is 8659225897703. The next prime is 8659225897723. The reversal of 8659225897722 is 2277985229568.

It is a happy number.

8659225897722 is a `hidden beast` number, since 8 + 6 + 592 + 2 + 5 + 8 + 9 + 7 + 7 + 22 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8659225897723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4113873 + ... + 5851700.

It is an arithmetic number, because the mean of its divisors is an integer number (601372563030).

Almost surely, 2^{8659225897722} is an apocalyptic number.

8659225897722 is an abundant number, since it is smaller than the sum of its proper divisors (10584696119238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8659225897722 is a wasteful number, since it uses less digits than its factorization.

8659225897722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981675 (or 9981669 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 8659225897722 in words is "eight trillion, six hundred fifty-nine billion, two hundred twenty-five million, eight hundred ninety-seven thousand, seven hundred twenty-two".