2297871 has 12 divisors (see below), whose sum is σ = 3346200. Its totient is φ = 1519440.

The previous prime is 2297863. The next prime is 2297881. The reversal of 2297871 is 1787922.

It is not a de Polignac number, because 2297871 - 2³ = 2297863 is a prime.

It is a super-2 number, since 2×2297871² = 10560422265282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297881) 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, 205 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (278850).

2^2297871 is an apocalyptic number.

2297871 is a deficient number, since it is larger than the sum of its proper divisors (1048329).

2297871 is a wasteful number, since it uses less digits than its factorization.

2297871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2083 counting only the distinct ones).

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

The square root of 2297871 is about 1515.8730157899. The cubic root of 2297871 is about 131.9598707217.

It can be divided in two parts, 229 and 7871, that added together give a square (8100 = 90²).

The spelling of 2297871 in words is "two million, two hundred ninety-seven thousand, eight hundred seventy-one".