2082209 has 4 divisors (see below), whose sum is σ = 2090004. Its totient is φ = 2074416.

The previous prime is 2082193. The next prime is 2082247. The reversal of 2082209 is 9022802.

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 1221025 + 861184 = 1105^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082209 - 2⁴ = 2082193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082709) 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, 3482 + ... + 4035.

It is an arithmetic number, because the mean of its divisors is an integer number (522501).

2^2082209 is an apocalyptic number.

It is an amenable number.

2082209 is a deficient number, since it is larger than the sum of its proper divisors (7795).

2082209 is an equidigital number, since it uses as much as digits as its factorization.

2082209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2082209 is about 1442.9861399196. The cubic root of 2082209 is about 127.6952589382.

The spelling of 2082209 in words is "two million, eighty-two thousand, two hundred nine".