14218189 has 2 divisors, whose sum is σ = 14218190. Its totient is φ = 14218188.

The previous prime is 14218187. The next prime is 14218199. The reversal of 14218189 is 98181241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13380964 + 837225 = 3658^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 14218189 - 2¹ = 14218187 is a prime.

Together with 14218187, it forms a pair of twin primes.

It is equal to p₉₂₃₂₉₉ and since 14218189 and 923299 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14218187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7109094 + 7109095.

It is an arithmetic number, because the mean of its divisors is an integer number (7109095).

Almost surely, 2^14218189 is an apocalyptic number.

It is an amenable number.

14218189 is a deficient number, since it is larger than the sum of its proper divisors (1).

14218189 is an equidigital number, since it uses as much as digits as its factorization.

14218189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 34.

The square root of 14218189 is about 3770.7013936402. The cubic root of 14218189 is about 242.2598408858.

The spelling of 14218189 in words is "fourteen million, two hundred eighteen thousand, one hundred eighty-nine".