2216887 has 2 divisors, whose sum is σ = 2216888. Its totient is φ = 2216886.

The previous prime is 2216873. The next prime is 2216897. The reversal of 2216887 is 7886122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2216887 - 2⁷ = 2216759 is a prime.

2216887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216857) 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, 1108443 + 1108444.

It is an arithmetic number, because the mean of its divisors is an integer number (1108444).

2^2216887 is an apocalyptic number.

2216887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216887 is an equidigital number, since it uses as much as digits as its factorization.

2216887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 2216887 is about 1488.9214217010. The cubic root of 2216887 is about 130.3910709068.

The spelling of 2216887 in words is "two million, two hundred sixteen thousand, eight hundred eighty-seven".