224412213 has 4 divisors (see below), whose sum is σ = 299216288. Its totient is φ = 149608140.

The previous prime is 224412197. The next prime is 224412233. The reversal of 224412213 is 312214422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 224412213 - 2⁴ = 224412197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224412213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224412233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37402033 + ... + 37402038.

It is an arithmetic number, because the mean of its divisors is an integer number (74804072).

Almost surely, 2^224412213 is an apocalyptic number.

It is an amenable number.

224412213 is a deficient number, since it is larger than the sum of its proper divisors (74804075).

224412213 is an equidigital number, since it uses as much as digits as its factorization.

224412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74804074.

The product of its digits is 768, while the sum is 21.

The square root of 224412213 is about 14980.3942872009. The cubic root of 224412213 is about 607.6901022360.

Adding to 224412213 its reverse (312214422), we get a palindrome (536626635).

The spelling of 224412213 in words is "two hundred twenty-four million, four hundred twelve thousand, two hundred thirteen".