2202209 has 4 divisors (see below), whose sum is σ = 2273280. Its totient is φ = 2131140.

The previous prime is 2202169. The next prime is 2202253. The reversal of 2202209 is 9022022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2202269) 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, 35489 + ... + 35550.

It is an arithmetic number, because the mean of its divisors is an integer number (568320).

2^2202209 is an apocalyptic number.

It is an amenable number.

2202209 is a deficient number, since it is larger than the sum of its proper divisors (71071).

2202209 is an equidigital number, since it uses as much as digits as its factorization.

2202209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71070.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2202209 is about 1483.9841643360. The cubic root of 2202209 is about 130.1026605254.

The spelling of 2202209 in words is "two million, two hundred two thousand, two hundred nine".