18214283 has 2 divisors, whose sum is σ = 18214284. Its totient is φ = 18214282.

The previous prime is 18214279. The next prime is 18214297. The reversal of 18214283 is 38241281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18214283 - 2² = 18214279 is a prime.

It is not a weakly prime, because it can be changed into another prime (18214223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9107141 + 9107142.

It is an arithmetic number, because the mean of its divisors is an integer number (9107142).

Almost surely, 2^18214283 is an apocalyptic number.

18214283 is a deficient number, since it is larger than the sum of its proper divisors (1).

18214283 is an equidigital number, since it uses as much as digits as its factorization.

18214283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 18214283 is about 4267.8194666598. The cubic root of 18214283 is about 263.1100032828.

The spelling of 18214283 in words is "eighteen million, two hundred fourteen thousand, two hundred eighty-three".