18182225322 has 24 divisors (see below), whose sum is σ = 41712164676. Its totient is φ = 5704227456.

The previous prime is 18182225311. The next prime is 18182225357. The reversal of 18182225322 is 22352228181.

It can be written as a sum of positive squares in 2 ways, for example, as 17421624081 + 760601241 = 131991^2 + 27579^2 .

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, 29709213 + ... + 29709824.

Almost surely, 2^18182225322 is an apocalyptic number.

18182225322 is an abundant number, since it is smaller than the sum of its proper divisors (23529939354).

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

18182225322 is a wasteful number, since it uses less digits than its factorization.

18182225322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59419062 (or 59419059 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The spelling of 18182225322 in words is "eighteen billion, one hundred eighty-two million, two hundred twenty-five thousand, three hundred twenty-two".