223441213 has 2 divisors, whose sum is σ = 223441214. Its totient is φ = 223441212.

The previous prime is 223441177. The next prime is 223441223. The reversal of 223441213 is 312144322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132296004 + 91145209 = 11502^2 + 9547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223441213 is a prime.

It is a super-2 number, since 2×223441213² = 99851951333822738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223441223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111720606 + 111720607.

It is an arithmetic number, because the mean of its divisors is an integer number (111720607).

Almost surely, 2^223441213 is an apocalyptic number.

It is an amenable number.

223441213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223441213 is an equidigital number, since it uses as much as digits as its factorization.

223441213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 223441213 is about 14947.9501270241. The cubic root of 223441213 is about 606.8123719516.

Adding to 223441213 its reverse (312144322), we get a palindrome (535585535).

The spelling of 223441213 in words is "two hundred twenty-three million, four hundred forty-one thousand, two hundred thirteen".