2209089 has 4 divisors (see below), whose sum is σ = 2945456. Its totient is φ = 1472724.

The previous prime is 2209079. The next prime is 2209117. The reversal of 2209089 is 9809022.

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 not a de Polignac number, because 2209089 - 2¹⁹ = 1684801 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209049) 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, 368179 + ... + 368184.

It is an arithmetic number, because the mean of its divisors is an integer number (736364).

2^2209089 is an apocalyptic number.

It is an amenable number.

2209089 is a deficient number, since it is larger than the sum of its proper divisors (736367).

2209089 is an equidigital number, since it uses as much as digits as its factorization.

2209089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736366.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2209089 is about 1486.3004406916. The cubic root of 2209089 is about 130.2380058043.

The spelling of 2209089 in words is "two million, two hundred nine thousand, eighty-nine".