2002197 has 8 divisors (see below), whose sum is σ = 2755840. Its totient is φ = 1291680.

The previous prime is 2002159. The next prime is 2002199. The reversal of 2002197 is 7912002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002197 - 2²⁰ = 953621 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 (2002199) 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 7 ways as a sum of consecutive naturals, for example, 10672 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (344480).

2^2002197 is an apocalyptic number.

It is an amenable number.

2002197 is a deficient number, since it is larger than the sum of its proper divisors (753643).

2002197 is a wasteful number, since it uses less digits than its factorization.

2002197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21563.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 2002197 is about 1414.9901059725. The cubic root of 2002197 is about 126.0382222161.

Adding to 2002197 its reverse (7912002), we get a palindrome (9914199).

The spelling of 2002197 in words is "two million, two thousand, one hundred ninety-seven".