18448232 has 16 divisors (see below), whose sum is σ = 37735200. Its totient is φ = 8385520.

The previous prime is 18448223. The next prime is 18448271. The reversal of 18448232 is 23284481.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104732 + ... + 104907.

It is an arithmetic number, because the mean of its divisors is an integer number (2358450).

Almost surely, 2^18448232 is an apocalyptic number.

It is an amenable number.

18448232 is an abundant number, since it is smaller than the sum of its proper divisors (19286968).

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

18448232 is a wasteful number, since it uses less digits than its factorization.

18448232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209656 (or 209652 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 18448232 is about 4295.1405099251. The cubic root of 18448232 is about 264.2316989474.

The spelling of 18448232 in words is "eighteen million, four hundred forty-eight thousand, two hundred thirty-two".