2216659 has 2 divisors, whose sum is σ = 2216660. Its totient is φ = 2216658.

The previous prime is 2216657. The next prime is 2216699. The reversal of 2216659 is 9566122.

2216659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2216659 - 2¹ = 2216657 is a prime.

Together with 2216657, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2216659.

It is not a weakly prime, because it can be changed into another prime (2216653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108329 + 1108330.

It is an arithmetic number, because the mean of its divisors is an integer number (1108330).

2^2216659 is an apocalyptic number.

2216659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216659 is an equidigital number, since it uses as much as digits as its factorization.

2216659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2216659 is about 1488.8448542410. The cubic root of 2216659 is about 130.3866006468.

The spelling of 2216659 in words is "two million, two hundred sixteen thousand, six hundred fifty-nine".