18232204 has 12 divisors (see below), whose sum is σ = 31944528. Its totient is φ = 9105200.

The previous prime is 18232199. The next prime is 18232219. The reversal of 18232204 is 40223281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (2662044).

Almost surely, 2^18232204 is an apocalyptic number.

It is an amenable number.

18232204 is a deficient number, since it is larger than the sum of its proper divisors (13712324).

18232204 is a wasteful number, since it uses less digits than its factorization.

18232204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 18232204 is about 4269.9185003932. The cubic root of 18232204 is about 263.1962661493.

Adding to 18232204 its reverse (40223281), we get a palindrome (58455485).

The spelling of 18232204 in words is "eighteen million, two hundred thirty-two thousand, two hundred four".