18229235474 has 16 divisors (see below), whose sum is σ = 29711489280. Its totient is φ = 8356355280.

The previous prime is 18229235471. The next prime is 18229235501. The reversal of 18229235474 is 47453292281.

It is not an unprimeable number, because it can be changed into a prime (18229235471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7736189 + ... + 7738544.

It is an arithmetic number, because the mean of its divisors is an integer number (1856968080).

Almost surely, 2^18229235474 is an apocalyptic number.

18229235474 is a deficient number, since it is larger than the sum of its proper divisors (11482253806).

18229235474 is a wasteful number, since it uses less digits than its factorization.

18229235474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474785.

The product of its digits is 967680, while the sum is 47.

The spelling of 18229235474 in words is "eighteen billion, two hundred twenty-nine million, two hundred thirty-five thousand, four hundred seventy-four".