2210885 has 4 divisors (see below), whose sum is σ = 2653068. Its totient is φ = 1768704.

The previous prime is 2210881. The next prime is 2210891. The reversal of 2210885 is 5880122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5880122 = 2 ⋅2940061.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 1014049 = 1094^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210885 - 2² = 2210881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210881) 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, 221084 + ... + 221093.

It is an arithmetic number, because the mean of its divisors is an integer number (663267).

2^2210885 is an apocalyptic number.

It is an amenable number.

2210885 is a deficient number, since it is larger than the sum of its proper divisors (442183).

2210885 is an equidigital number, since it uses as much as digits as its factorization.

2210885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442182.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2210885 is about 1486.9045026497. The cubic root of 2210885 is about 130.2732909525.

The spelling of 2210885 in words is "two million, two hundred ten thousand, eight hundred eighty-five".