2207997 has 12 divisors (see below), whose sum is σ = 3479424. Its totient is φ = 1338120.

The previous prime is 2207993. The next prime is 2208053. The reversal of 2207997 is 7997022.

It is not a de Polignac number, because 2207997 - 2² = 2207993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11053 + ... + 11250.

It is an arithmetic number, because the mean of its divisors is an integer number (289952).

2^2207997 is an apocalyptic number.

It is an amenable number.

2207997 is a deficient number, since it is larger than the sum of its proper divisors (1271427).

2207997 is a wasteful number, since it uses less digits than its factorization.

2207997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22320 (or 22317 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2207997 is about 1485.9330402141. The cubic root of 2207997 is about 130.2165424556.

The spelling of 2207997 in words is "two million, two hundred seven thousand, nine hundred ninety-seven".