2197137 has 8 divisors (see below), whose sum is σ = 2936736. Its totient is φ = 1461152.

The previous prime is 2197087. The next prime is 2197157. The reversal of 2197137 is 7317912.

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

It is a cyclic number.

It is not a de Polignac number, because 2197137 - 2⁸ = 2196881 is a prime.

2197137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2197157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (367092).

2^2197137 is an apocalyptic number.

It is an amenable number.

2197137 is a deficient number, since it is larger than the sum of its proper divisors (739599).

2197137 is a wasteful number, since it uses less digits than its factorization.

2197137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 2646, while the sum is 30.

The square root of 2197137 is about 1482.2742661195. The cubic root of 2197137 is about 130.0027021135.

The spelling of 2197137 in words is "two million, one hundred ninety-seven thousand, one hundred thirty-seven".