224221113 has 6 divisors (see below), whose sum is σ = 323874954. Its totient is φ = 149480736.

The previous prime is 224221093. The next prime is 224221121. The reversal of 224221113 is 311122422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 222845184 + 1375929 = 14928^2 + 1173^2 .

It is not a de Polignac number, because 224221113 - 2²⁴ = 207443897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224221133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12456720 + ... + 12456737.

It is an arithmetic number, because the mean of its divisors is an integer number (53979159).

Almost surely, 2^224221113 is an apocalyptic number.

It is an amenable number.

224221113 is a deficient number, since it is larger than the sum of its proper divisors (99653841).

224221113 is a wasteful number, since it uses less digits than its factorization.

224221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24913463 (or 24913460 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 224221113 is about 14974.0145919523. The cubic root of 224221113 is about 607.5175588076.

Adding to 224221113 its reverse (311122422), we get a palindrome (535343535).

The spelling of 224221113 in words is "two hundred twenty-four million, two hundred twenty-one thousand, one hundred thirteen".