18850227 has 12 divisors (see below), whose sum is σ = 27626760. Its totient is φ = 11424160.

The previous prime is 18850219. The next prime is 18850231. The reversal of 18850227 is 72205881.

It is not a de Polignac number, because 18850227 - 2³ = 18850219 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (18850217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25602 + ... + 26327.

It is an arithmetic number, because the mean of its divisors is an integer number (2302230).

Almost surely, 2^18850227 is an apocalyptic number.

18850227 is a deficient number, since it is larger than the sum of its proper divisors (8776533).

18850227 is a wasteful number, since it uses less digits than its factorization.

18850227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51954 (or 51943 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 18850227 is about 4341.6848112225. The cubic root of 18850227 is about 266.1371661457.

The spelling of 18850227 in words is "eighteen million, eight hundred fifty thousand, two hundred twenty-seven".