2266885 has 4 divisors (see below), whose sum is σ = 2720268. Its totient is φ = 1813504.

The previous prime is 2266883. The next prime is 2266897. The reversal of 2266885 is 5886622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1653796 + 613089 = 1286^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266885 - 2¹ = 2266883 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁶ + 6² + 6⁸ + 8⁵ + 8⁵ + 5⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266883) 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, 226684 + ... + 226693.

It is an arithmetic number, because the mean of its divisors is an integer number (680067).

2^2266885 is an apocalyptic number.

It is an amenable number.

2266885 is a deficient number, since it is larger than the sum of its proper divisors (453383).

2266885 is an equidigital number, since it uses as much as digits as its factorization.

2266885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453382.

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

The square root of 2266885 is about 1505.6178133909. The cubic root of 2266885 is about 131.3640399626.

It can be divided in two parts, 22 and 66885, that multiplied together give a triangular number (1471470 = T₁₇₁₅).

The spelling of 2266885 in words is "two million, two hundred sixty-six thousand, eight hundred eighty-five".