2216799 has 12 divisors (see below), whose sum is σ = 3448536. Its totient is φ = 1364112.

The previous prime is 2216777. The next prime is 2216803. The reversal of 2216799 is 9976122.

It is not a de Polignac number, because 2216799 - 2⁹ = 2216287 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216729) 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 in 11 ways as a sum of consecutive naturals, for example, 9357 + ... + 9590.

It is an arithmetic number, because the mean of its divisors is an integer number (287378).

2^2216799 is an apocalyptic number.

2216799 is a deficient number, since it is larger than the sum of its proper divisors (1231737).

2216799 is a wasteful number, since it uses less digits than its factorization.

2216799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18966 (or 18963 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2216799 is about 1488.8918698146. The cubic root of 2216799 is about 130.3893455796.

The spelling of 2216799 in words is "two million, two hundred sixteen thousand, seven hundred ninety-nine".