2216563 has 2 divisors, whose sum is σ = 2216564. Its totient is φ = 2216562.

The previous prime is 2216551. The next prime is 2216569. The reversal of 2216563 is 3656122.

2216563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216563 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2216569) 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, 1108281 + 1108282.

It is an arithmetic number, because the mean of its divisors is an integer number (1108282).

2^2216563 is an apocalyptic number.

2216563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216563 is an equidigital number, since it uses as much as digits as its factorization.

2216563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 2216563 is about 1488.8126141325. The cubic root of 2216563 is about 130.3847183404.

The spelling of 2216563 in words is "two million, two hundred sixteen thousand, five hundred sixty-three".