4209223 has 2 divisors, whose sum is σ = 4209224. Its totient is φ = 4209222.

The previous prime is 4209221. The next prime is 4209229. The reversal of 4209223 is 3229024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4209223 - 2¹ = 4209221 is a prime.

Together with 4209221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4209194 and 4209203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4209221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104611 + 2104612.

It is an arithmetic number, because the mean of its divisors is an integer number (2104612).

Almost surely, 2^4209223 is an apocalyptic number.

4209223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4209223 is an equidigital number, since it uses as much as digits as its factorization.

4209223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4209223 is about 2051.6391008167. The cubic root of 4209223 is about 161.4608786760.

The spelling of 4209223 in words is "four million, two hundred nine thousand, two hundred twenty-three".