2292287 has 4 divisors (see below), whose sum is σ = 2345640. Its totient is φ = 2238936.

The previous prime is 2292259. The next prime is 2292289. The reversal of 2292287 is 7822922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2292287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26612 + ... + 26697.

It is an arithmetic number, because the mean of its divisors is an integer number (586410).

2^2292287 is an apocalyptic number.

2292287 is a deficient number, since it is larger than the sum of its proper divisors (53353).

2292287 is an equidigital number, since it uses as much as digits as its factorization.

2292287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53352.

The product of its digits is 8064, while the sum is 32.

The square root of 2292287 is about 1514.0300525419. The cubic root of 2292287 is about 131.8528932044.

The spelling of 2292287 in words is "two million, two hundred ninety-two thousand, two hundred eighty-seven".