2235209 has 8 divisors (see below), whose sum is σ = 2351040. Its totient is φ = 2120976.

The previous prime is 2235199. The next prime is 2235221. The reversal of 2235209 is 9025322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 3⁵ + 5⁷ + 2²¹ + 0 + 9⁵ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2235229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (293880).

2^2235209 is an apocalyptic number.

It is an amenable number.

2235209 is a deficient number, since it is larger than the sum of its proper divisors (115831).

2235209 is a wasteful number, since it uses less digits than its factorization.

2235209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2235209 is about 1495.0615371950. The cubic root of 2235209 is about 130.7493020203.

The spelling of 2235209 in words is "two million, two hundred thirty-five thousand, two hundred nine".