2199199 has 4 divisors (see below), whose sum is σ = 2252880. Its totient is φ = 2145520.

The previous prime is 2199187. The next prime is 2199203. The reversal of 2199199 is 9919912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2199199 - 2¹⁵ = 2166431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26779 + ... + 26860.

It is an arithmetic number, because the mean of its divisors is an integer number (563220).

2^2199199 is an apocalyptic number.

2199199 is a deficient number, since it is larger than the sum of its proper divisors (53681).

2199199 is an equidigital number, since it uses as much as digits as its factorization.

2199199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53680.

The product of its digits is 13122, while the sum is 40.

The square root of 2199199 is about 1482.9696557921. The cubic root of 2199199 is about 130.0433583184.

The spelling of 2199199 in words is "two million, one hundred ninety-nine thousand, one hundred ninety-nine".