2122199 has 4 divisors (see below), whose sum is σ = 2129736. Its totient is φ = 2114664.

The previous prime is 2122193. The next prime is 2122213. The reversal of 2122199 is 9912212.

It is a happy number.

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 2122199 - 2⁸ = 2121943 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 (2122193) 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, 3329 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (532434).

2^2122199 is an apocalyptic number.

2122199 is a deficient number, since it is larger than the sum of its proper divisors (7537).

2122199 is an equidigital number, since it uses as much as digits as its factorization.

2122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536.

The product of its digits is 648, while the sum is 26.

The square root of 2122199 is about 1456.7769218381. The cubic root of 2122199 is about 128.5075671683.

The spelling of 2122199 in words is "two million, one hundred twenty-two thousand, one hundred ninety-nine".