224432213 has 4 divisors (see below), whose sum is σ = 226145568. Its totient is φ = 222718860.

The previous prime is 224432209. The next prime is 224432297. The reversal of 224432213 is 312234422.

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 224432213 - 2² = 224432209 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 (224432203) 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, 856481 + ... + 856742.

It is an arithmetic number, because the mean of its divisors is an integer number (56536392).

Almost surely, 2^224432213 is an apocalyptic number.

It is an amenable number.

224432213 is a deficient number, since it is larger than the sum of its proper divisors (1713355).

224432213 is a wasteful number, since it uses less digits than its factorization.

224432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713354.

The product of its digits is 2304, while the sum is 23.

The square root of 224432213 is about 14981.0618115005. The cubic root of 224432213 is about 607.7081544933.

Adding to 224432213 its reverse (312234422), we get a palindrome (536666635).

The spelling of 224432213 in words is "two hundred twenty-four million, four hundred thirty-two thousand, two hundred thirteen".