2199992 has 24 divisors (see below), whose sum is σ = 4249200. Its totient is φ = 1067664.

The previous prime is 2199979. The next prime is 2200013. The reversal of 2199992 is 2999912.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27809 + ... + 27887.

It is an arithmetic number, because the mean of its divisors is an integer number (177050).

2^2199992 is an apocalyptic number.

It is an amenable number.

2199992 is a deficient number, since it is larger than the sum of its proper divisors (2049208).

2199992 is an equidigital number, since it uses as much as digits as its factorization.

2199992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 140 counting only the distinct ones).

The product of its digits is 26244, while the sum is 41.

The square root of 2199992 is about 1483.2370006172. The cubic root of 2199992 is about 130.0589870375.

The spelling of 2199992 in words is "two million, one hundred ninety-nine thousand, nine hundred ninety-two".