224225213 has 4 divisors (see below), whose sum is σ = 236026560. Its totient is φ = 212423868.

The previous prime is 224225207. The next prime is 224225227. The reversal of 224225213 is 312522422.

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 a cyclic number.

It is not a de Polignac number, because 224225213 - 2⁶ = 224225149 is a prime.

It is a super-2 number, since 2×224225213² = 100553892289790738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224225293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900645 + ... + 5900682.

It is an arithmetic number, because the mean of its divisors is an integer number (59006640).

Almost surely, 2^224225213 is an apocalyptic number.

It is an amenable number.

224225213 is a deficient number, since it is larger than the sum of its proper divisors (11801347).

224225213 is a wasteful number, since it uses less digits than its factorization.

224225213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801346.

The product of its digits is 1920, while the sum is 23.

The square root of 224225213 is about 14974.1514951599. The cubic root of 224225213 is about 607.5212617102.

Adding to 224225213 its reverse (312522422), we get a palindrome (536747635).

The spelling of 224225213 in words is "two hundred twenty-four million, two hundred twenty-five thousand, two hundred thirteen".