2268287 has 8 divisors (see below), whose sum is σ = 2604672. Its totient is φ = 1935000.

The previous prime is 2268281. The next prime is 2268289. The reversal of 2268287 is 7828622.

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 2268287 - 2⁴ = 2268271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (325584).

2^2268287 is an apocalyptic number.

2268287 is a deficient number, since it is larger than the sum of its proper divisors (336385).

2268287 is a wasteful number, since it uses less digits than its factorization.

2268287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its digits is 21504, while the sum is 35.

The square root of 2268287 is about 1506.0833310279. The cubic root of 2268287 is about 131.3911159470.

The spelling of 2268287 in words is "two million, two hundred sixty-eight thousand, two hundred eighty-seven".