2287287 has 12 divisors (see below), whose sum is σ = 3346720. Its totient is φ = 1505088.

The previous prime is 2287283. The next prime is 2287289. The reversal of 2287287 is 7827822.

It is not a de Polignac number, because 2287287 - 2² = 2287283 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 (2287283) 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 11 ways as a sum of consecutive naturals, for example, 898 + ... + 2319.

2^2287287 is an apocalyptic number.

2287287 is a deficient number, since it is larger than the sum of its proper divisors (1059433).

2287287 is a wasteful number, since it uses less digits than its factorization.

2287287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3299 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 2287287 is about 1512.3779289582. The cubic root of 2287287 is about 131.7569563543.

The spelling of 2287287 in words is "two million, two hundred eighty-seven thousand, two hundred eighty-seven".