2185223 has 4 divisors (see below), whose sum is σ = 2188920. Its totient is φ = 2181528.

The previous prime is 2185201. The next prime is 2185241. The reversal of 2185223 is 3225812.

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

It is not a de Polignac number, because 2185223 - 2⁸ = 2184967 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 8³ + 5⁷ + 2¹³ + 2²¹ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185523) 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, 740 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (547230).

2^2185223 is an apocalyptic number.

2185223 is a deficient number, since it is larger than the sum of its proper divisors (3697).

2185223 is an equidigital number, since it uses as much as digits as its factorization.

2185223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696.

The product of its digits is 960, while the sum is 23.

The square root of 2185223 is about 1478.2499788601. The cubic root of 2185223 is about 129.7672957318.

The spelling of 2185223 in words is "two million, one hundred eighty-five thousand, two hundred twenty-three".