2285866 has 8 divisors (see below), whose sum is σ = 3740544. Its totient is φ = 1039020.

The previous prime is 2285863. The next prime is 2285869. The reversal of 2285866 is 6685822.

It is an interprime number because it is at equal distance from previous prime (2285863) and next prime (2285869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2285861) 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, 51930 + ... + 51973.

It is an arithmetic number, because the mean of its divisors is an integer number (467568).

2^2285866 is an apocalyptic number.

2285866 is a deficient number, since it is larger than the sum of its proper divisors (1454678).

2285866 is a wasteful number, since it uses less digits than its factorization.

2285866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103916.

The product of its digits is 46080, while the sum is 37.

The square root of 2285866 is about 1511.9080659881. The cubic root of 2285866 is about 131.7296655916.

Subtracting from 2285866 its product of digits (46080), we obtain a triangular number (2239786 = T₂₁₁₆).

The spelling of 2285866 in words is "two million, two hundred eighty-five thousand, eight hundred sixty-six".