2216699 has 2 divisors, whose sum is σ = 2216700. Its totient is φ = 2216698.

The previous prime is 2216659. The next prime is 2216701. The reversal of 2216699 is 9966122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216699 is a prime.

It is a Sophie Germain prime.

Together with 2216701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2216609) 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 as a sum of consecutive naturals, namely, 1108349 + 1108350.

It is an arithmetic number, because the mean of its divisors is an integer number (1108350).

2^2216699 is an apocalyptic number.

2216699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216699 is an equidigital number, since it uses as much as digits as its factorization.

2216699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 2216699 is about 1488.8582874135. The cubic root of 2216699 is about 130.3873849251.

The spelling of 2216699 in words is "two million, two hundred sixteen thousand, six hundred ninety-nine".