2197005 has 16 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 1162688.

The previous prime is 2196979. The next prime is 2197021. The reversal of 2197005 is 5007912.

It is a cyclic number.

It is not a de Polignac number, because 2197005 - 2⁶ = 2196941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

2^2197005 is an apocalyptic number.

It is an amenable number.

2197005 is a deficient number, since it is larger than the sum of its proper divisors (1345395).

2197005 is a wasteful number, since it uses less digits than its factorization.

2197005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 2197005 is about 1482.2297392780. The cubic root of 2197005 is about 130.0000986193. Note that the first 4 decimals are identical.

The spelling of 2197005 in words is "two million, one hundred ninety-seven thousand, five".