2209223 has 4 divisors (see below), whose sum is σ = 2224200. Its totient is φ = 2194248.

The previous prime is 2209217. The next prime is 2209231. The reversal of 2209223 is 3229022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2209223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2209195 and 2209204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209213) 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, 7265 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (556050).

2^2209223 is an apocalyptic number.

2209223 is a deficient number, since it is larger than the sum of its proper divisors (14977).

2209223 is a wasteful number, since it uses less digits than its factorization.

2209223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2209223 is about 1486.3455183772. The cubic root of 2209223 is about 130.2406390980.

The spelling of 2209223 in words is "two million, two hundred nine thousand, two hundred twenty-three".