2199197 has 20 divisors (see below), whose sum is σ = 2970336. Its totient is φ = 1581840.

The previous prime is 2199187. The next prime is 2199203. The reversal of 2199197 is 7919912.

2199197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2199197 - 2⁴ = 2199181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2199197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 169163 + ... + 169175.

2^2199197 is an apocalyptic number.

It is an amenable number.

2199197 is a deficient number, since it is larger than the sum of its proper divisors (771139).

2199197 is an frugal number, since it uses more digits than its factorization.

2199197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 31 counting only the distinct ones).

The product of its digits is 10206, while the sum is 38.

The square root of 2199197 is about 1482.9689814693. The cubic root of 2199197 is about 130.0433188969.

The spelling of 2199197 in words is "two million, one hundred ninety-nine thousand, one hundred ninety-seven".