2199097 has 4 divisors (see below), whose sum is σ = 2216016. Its totient is φ = 2182180.

The previous prime is 2199077. The next prime is 2199121. The reversal of 2199097 is 7909912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2199097 - 2¹¹ = 2197049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199077) 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, 8263 + ... + 8524.

It is an arithmetic number, because the mean of its divisors is an integer number (554004).

2^2199097 is an apocalyptic number.

It is an amenable number.

2199097 is a deficient number, since it is larger than the sum of its proper divisors (16919).

2199097 is a wasteful number, since it uses less digits than its factorization.

2199097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16918.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2199097 is about 1482.9352649391. The cubic root of 2199097 is about 130.0413477943.

It can be divided in two parts, 219 and 9097, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 2199097 in words is "two million, one hundred ninety-nine thousand, ninety-seven".