2199497 has 4 divisors (see below), whose sum is σ = 2315280. Its totient is φ = 2083716.

The previous prime is 2199479. The next prime is 2199499. The reversal of 2199497 is 7949912.

It is a happy number.

2199497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2199497 - 2⁶ = 2199433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199499) 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 3 ways as a sum of consecutive naturals, for example, 57863 + ... + 57900.

It is an arithmetic number, because the mean of its divisors is an integer number (578820).

2^2199497 is an apocalyptic number.

It is an amenable number.

2199497 is a deficient number, since it is larger than the sum of its proper divisors (115783).

2199497 is a wasteful number, since it uses less digits than its factorization.

2199497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115782.

The product of its digits is 40824, while the sum is 41.

The square root of 2199497 is about 1483.0701264606. The cubic root of 2199497 is about 130.0492318463.

The spelling of 2199497 in words is "two million, one hundred ninety-nine thousand, four hundred ninety-seven".