2287197 has 40 divisors (see below), whose sum is σ = 3972672. Its totient is φ = 1296000.

The previous prime is 2287193. The next prime is 2287199. The reversal of 2287197 is 7917822.

It is not a de Polignac number, because 2287197 - 2² = 2287193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287193) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15072 + ... + 15222.

2^2287197 is an apocalyptic number.

2287197 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2287197 is a deficient number, since it is larger than the sum of its proper divisors (1685475).

2287197 is a wasteful number, since it uses less digits than its factorization.

2287197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 182 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2287197 is about 1512.3481741980. The cubic root of 2287197 is about 131.7552282106.

The spelling of 2287197 in words is "two million, two hundred eighty-seven thousand, one hundred ninety-seven".