2218199 has 2 divisors, whose sum is σ = 2218200. Its totient is φ = 2218198.

The previous prime is 2218171. The next prime is 2218201. The reversal of 2218199 is 9918122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218199 - 2¹² = 2214103 is a prime.

Together with 2218201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109099 + 1109100.

It is an arithmetic number, because the mean of its divisors is an integer number (1109100).

2^2218199 is an apocalyptic number.

2218199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218199 is an equidigital number, since it uses as much as digits as its factorization.

2218199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 32.

The square root of 2218199 is about 1489.3619439210. The cubic root of 2218199 is about 130.4167885532.

The spelling of 2218199 in words is "two million, two hundred eighteen thousand, one hundred ninety-nine".