223442213 has 2 divisors, whose sum is σ = 223442214. Its totient is φ = 223442212.

The previous prime is 223442201. The next prime is 223442239. The reversal of 223442213 is 312244322.

223442213 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., 219573124 + 3869089 = 14818^2 + 1967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223442213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223442273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111721106 + 111721107.

It is an arithmetic number, because the mean of its divisors is an integer number (111721107).

Almost surely, 2^223442213 is an apocalyptic number.

It is an amenable number.

223442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223442213 is an equidigital number, since it uses as much as digits as its factorization.

223442213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 223442213 is about 14947.9835763892. The cubic root of 223442213 is about 606.8132772031.

Adding to 223442213 its reverse (312244322), we get a palindrome (535686535).

The spelling of 223442213 in words is "two hundred twenty-three million, four hundred forty-two thousand, two hundred thirteen".