224444117 has 2 divisors, whose sum is σ = 224444118. Its totient is φ = 224444116.

The previous prime is 224444113. The next prime is 224444141. The reversal of 224444117 is 711444422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170406916 + 54037201 = 13054^2 + 7351^2 .

It is a cyclic number.

It is not a de Polignac number, because 224444117 - 2² = 224444113 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224444117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224444113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112222058 + 112222059.

It is an arithmetic number, because the mean of its divisors is an integer number (112222059).

Almost surely, 2^224444117 is an apocalyptic number.

It is an amenable number.

224444117 is a deficient number, since it is larger than the sum of its proper divisors (1).

224444117 is an equidigital number, since it uses as much as digits as its factorization.

224444117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 29.

The square root of 224444117 is about 14981.4591078439. The cubic root of 224444117 is about 607.7188986877.

Adding to 224444117 its reverse (711444422), we get a palindrome (935888539).

The spelling of 224444117 in words is "two hundred twenty-four million, four hundred forty-four thousand, one hundred seventeen".