224042213 has 2 divisors, whose sum is σ = 224042214. Its totient is φ = 224042212.

The previous prime is 224042209. The next prime is 224042249. The reversal of 224042213 is 312240422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162231169 + 61811044 = 12737^2 + 7862^2 .

It is a cyclic number.

It is not a de Polignac number, because 224042213 - 2² = 224042209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224042263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112021106 + 112021107.

It is an arithmetic number, because the mean of its divisors is an integer number (112021107).

Almost surely, 2^224042213 is an apocalyptic number.

It is an amenable number.

224042213 is a deficient number, since it is larger than the sum of its proper divisors (1).

224042213 is an equidigital number, since it uses as much as digits as its factorization.

224042213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224042213 is about 14968.0397180125. The cubic root of 224042213 is about 607.3559418391.

Adding to 224042213 its reverse (312240422), we get a palindrome (536282635).

The spelling of 224042213 in words is "two hundred twenty-four million, forty-two thousand, two hundred thirteen".