18229839422 has 16 divisors (see below), whose sum is σ = 29197238400. Its totient is φ = 8515859352.

The previous prime is 18229839413. The next prime is 18229839479. The reversal of 18229839422 is 22493892281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606172 + ... + 4610127.

It is an arithmetic number, because the mean of its divisors is an integer number (1824827400).

Almost surely, 2^18229839422 is an apocalyptic number.

18229839422 is a deficient number, since it is larger than the sum of its proper divisors (10967398978).

18229839422 is a wasteful number, since it uses less digits than its factorization.

18229839422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216367.

The product of its digits is 995328, while the sum is 50.

The spelling of 18229839422 in words is "eighteen billion, two hundred twenty-nine million, eight hundred thirty-nine thousand, four hundred twenty-two".