224522213 has 8 divisors (see below), whose sum is σ = 238253400. Its totient is φ = 210849280.

The previous prime is 224522209. The next prime is 224522227. The reversal of 224522213 is 312225422.

It can be written as a sum of positive squares in 4 ways, for example, as 38663524 + 185858689 = 6218^2 + 13633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224522213 - 2² = 224522209 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 (224522203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488 + ... + 22161.

It is an arithmetic number, because the mean of its divisors is an integer number (29781675).

Almost surely, 2^224522213 is an apocalyptic number.

It is an amenable number.

224522213 is a deficient number, since it is larger than the sum of its proper divisors (13731187).

224522213 is a wasteful number, since it uses less digits than its factorization.

224522213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29127.

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

The square root of 224522213 is about 14984.0653028476. The cubic root of 224522213 is about 607.7893763819.

Adding to 224522213 its reverse (312225422), we get a palindrome (536747635).

The spelling of 224522213 in words is "two hundred twenty-four million, five hundred twenty-two thousand, two hundred thirteen".