224023213 has 2 divisors, whose sum is σ = 224023214. Its totient is φ = 224023212.

The previous prime is 224023207. The next prime is 224023253. The reversal of 224023213 is 312320422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223711849 + 311364 = 14957^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 224023213 - 2⁵ = 224023181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224023253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112011606 + 112011607.

It is an arithmetic number, because the mean of its divisors is an integer number (112011607).

Almost surely, 2^224023213 is an apocalyptic number.

It is an amenable number.

224023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

224023213 is an equidigital number, since it uses as much as digits as its factorization.

224023213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 224023213 is about 14967.4050189069. The cubic root of 224023213 is about 607.3387723231.

Adding to 224023213 its reverse (312320422), we get a palindrome (536343635).

The spelling of 224023213 in words is "two hundred twenty-four million, twenty-three thousand, two hundred thirteen".