2286866 has 4 divisors (see below), whose sum is σ = 3430302. Its totient is φ = 1143432.

The previous prime is 2286847. The next prime is 2286877. The reversal of 2286866 is 6686822.

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

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 1030225 = 1121^2 + 1015^2 .

It is a super-2 number, since 2×2286866² = 10459512203912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571715 + ... + 571718.

2^2286866 is an apocalyptic number.

2286866 is a deficient number, since it is larger than the sum of its proper divisors (1143436).

2286866 is a wasteful number, since it uses less digits than its factorization.

2286866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143435.

The product of its digits is 55296, while the sum is 38.

The square root of 2286866 is about 1512.2387377660. The cubic root of 2286866 is about 131.7488720923.

The spelling of 2286866 in words is "two million, two hundred eighty-six thousand, eight hundred sixty-six".