2263209 has 8 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 1392720.

The previous prime is 2263201. The next prime is 2263213. The reversal of 2263209 is 9023622.

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

It is not a de Polignac number, because 2263209 - 2³ = 2263201 is a prime.

It is a super-2 number, since 2×2263209² = 10244229955362, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2263201) 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, 28977 + ... + 29054.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

2^2263209 is an apocalyptic number.

It is an amenable number.

2263209 is a deficient number, since it is larger than the sum of its proper divisors (986583).

2263209 is a wasteful number, since it uses less digits than its factorization.

2263209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58047.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2263209 is about 1504.3965567629. The cubic root of 2263209 is about 131.2929945312.

The spelling of 2263209 in words is "two million, two hundred sixty-three thousand, two hundred nine".