18214275 has 24 divisors (see below), whose sum is σ = 31426560. Its totient is φ = 9291040.

The previous prime is 18214247. The next prime is 18214277. The reversal of 18214275 is 57241281.

It is not a de Polignac number, because 18214275 - 2⁵ = 18214243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18214277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (1309440).

Almost surely, 2^18214275 is an apocalyptic number.

18214275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18214275 is a deficient number, since it is larger than the sum of its proper divisors (13212285).

18214275 is a wasteful number, since it uses less digits than its factorization.

18214275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595 (or 10590 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 18214275 is about 4267.8185294129. The cubic root of 18214275 is about 263.1099647621.

The spelling of 18214275 in words is "eighteen million, two hundred fourteen thousand, two hundred seventy-five".