223466209 has 2 divisors, whose sum is σ = 223466210. Its totient is φ = 223466208.

The previous prime is 223466203. The next prime is 223466231. The reversal of 223466209 is 902664322.

It is a happy number.

223466209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151216209 + 72250000 = 12297^2 + 8500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223466209 is a prime.

It is not a weakly prime, because it can be changed into another prime (223466203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111733104 + 111733105.

It is an arithmetic number, because the mean of its divisors is an integer number (111733105).

Almost surely, 2^223466209 is an apocalyptic number.

It is an amenable number.

223466209 is a deficient number, since it is larger than the sum of its proper divisors (1).

223466209 is an equidigital number, since it uses as much as digits as its factorization.

223466209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 223466209 is about 14948.7862049064. The cubic root of 223466209 is about 606.8349988077.

The spelling of 223466209 in words is "two hundred twenty-three million, four hundred sixty-six thousand, two hundred nine".