2209259 has 4 divisors (see below), whose sum is σ = 2379216. Its totient is φ = 2039304.

The previous prime is 2209253. The next prime is 2209267. The reversal of 2209259 is 9529022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9529022 = 2 ⋅4764511.

It is a cyclic number.

It is not a de Polignac number, because 2209259 - 2⁸ = 2209003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84959 + ... + 84984.

It is an arithmetic number, because the mean of its divisors is an integer number (594804).

2^2209259 is an apocalyptic number.

2209259 is a deficient number, since it is larger than the sum of its proper divisors (169957).

2209259 is a wasteful number, since it uses less digits than its factorization.

2209259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169956.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2209259 is about 1486.3576285672. The cubic root of 2209259 is about 130.2413465318.

The spelling of 2209259 in words is "two million, two hundred nine thousand, two hundred fifty-nine".