2298287 has 4 divisors (see below), whose sum is σ = 2301360. Its totient is φ = 2295216.

The previous prime is 2298223. The next prime is 2298293. The reversal of 2298287 is 7828922.

2298287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7828922 = 2 ⋅3914461.

It is a cyclic number.

It is not a de Polignac number, because 2298287 - 2⁶ = 2298223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2298287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (575340).

2^2298287 is an apocalyptic number.

2298287 is a deficient number, since it is larger than the sum of its proper divisors (3073).

2298287 is a wasteful number, since it uses less digits than its factorization.

2298287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its digits is 32256, while the sum is 38.

The square root of 2298287 is about 1516.0102242399. The cubic root of 2298287 is about 131.9678334538.

It can be divided in two parts, 2298 and 287, that multiplied together give a triangular number (659526 = T₁₁₄₈).

The spelling of 2298287 in words is "two million, two hundred ninety-eight thousand, two hundred eighty-seven".