18812204 has 12 divisors (see below), whose sum is σ = 34654200. Its totient is φ = 8911008.

The previous prime is 18812203. The next prime is 18812221. The reversal of 18812204 is 40221881.

It is not an unprimeable number, because it can be changed into a prime (18812203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123689 + ... + 123840.

It is an arithmetic number, because the mean of its divisors is an integer number (2887850).

Almost surely, 2^18812204 is an apocalyptic number.

It is an amenable number.

18812204 is a deficient number, since it is larger than the sum of its proper divisors (15841996).

18812204 is a wasteful number, since it uses less digits than its factorization.

18812204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247552 (or 247550 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 18812204 is about 4337.3037707774. The cubic root of 18812204 is about 265.9581029609.

The spelling of 18812204 in words is "eighteen million, eight hundred twelve thousand, two hundred four".