224422213 has 4 divisors (see below), whose sum is σ = 232160940. Its totient is φ = 216683488.

The previous prime is 224422199. The next prime is 224422217. The reversal of 224422213 is 312224422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86899684 + 137522529 = 9322^2 + 11727^2 .

It is a cyclic number.

It is not a de Polignac number, because 224422213 - 2¹⁷ = 224291141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224422217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869320 + ... + 3869377.

It is an arithmetic number, because the mean of its divisors is an integer number (58040235).

Almost surely, 2^224422213 is an apocalyptic number.

It is an amenable number.

224422213 is a deficient number, since it is larger than the sum of its proper divisors (7738727).

224422213 is an equidigital number, since it uses as much as digits as its factorization.

224422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738726.

The product of its digits is 1536, while the sum is 22.

The square root of 224422213 is about 14980.7280530687. The cubic root of 224422213 is about 607.6991284987.

Adding to 224422213 its reverse (312224422), we get a palindrome (536646635).

The spelling of 224422213 in words is "two hundred twenty-four million, four hundred twenty-two thousand, two hundred thirteen".