2099219 has 2 divisors, whose sum is σ = 2099220. Its totient is φ = 2099218.

The previous prime is 2099213. The next prime is 2099221. The reversal of 2099219 is 9129902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2099219 - 2⁴ = 2099203 is a prime.

It is a super-2 number, since 2×2099219² = 8813440819922, which contains 22 as substring.

Together with 2099221, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2099213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049609 + 1049610.

It is an arithmetic number, because the mean of its divisors is an integer number (1049610).

2^2099219 is an apocalyptic number.

2099219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099219 is an equidigital number, since it uses as much as digits as its factorization.

2099219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 2099219 is about 1448.8681789590. The cubic root of 2099219 is about 128.0420394140.

The spelling of 2099219 in words is "two million, ninety-nine thousand, two hundred nineteen".