18228176 has 20 divisors (see below), whose sum is σ = 35414400. Its totient is φ = 9088992.

The previous prime is 18228157. The next prime is 18228191. The reversal of 18228176 is 67182281.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5345 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (1770720).

Almost surely, 2^18228176 is an apocalyptic number.

18228176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18228176 is a deficient number, since it is larger than the sum of its proper divisors (17186224).

18228176 is a wasteful number, since it uses less digits than its factorization.

18228176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146 (or 3140 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 18228176 is about 4269.4468025729. The cubic root of 18228176 is about 263.1768822679.

The spelling of 18228176 in words is "eighteen million, two hundred twenty-eight thousand, one hundred seventy-six".