2199317 has 4 divisors (see below), whose sum is σ = 2258796. Its totient is φ = 2139840.

The previous prime is 2199313. The next prime is 2199361. The reversal of 2199317 is 7139912.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1062961 + 1136356 = 1031^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199317 - 2² = 2199313 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 (2199311) 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, 29684 + ... + 29757.

It is an arithmetic number, because the mean of its divisors is an integer number (564699).

2^2199317 is an apocalyptic number.

It is an amenable number.

2199317 is a deficient number, since it is larger than the sum of its proper divisors (59479).

2199317 is an equidigital number, since it uses as much as digits as its factorization.

2199317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59478.

The product of its digits is 3402, while the sum is 32.

The square root of 2199317 is about 1483.0094402936. The cubic root of 2199317 is about 130.0456841412.

The spelling of 2199317 in words is "two million, one hundred ninety-nine thousand, three hundred seventeen".