224311121 has 2 divisors, whose sum is σ = 224311122. Its totient is φ = 224311120.

The previous prime is 224311103. The next prime is 224311147. The reversal of 224311121 is 121113422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204633025 + 19678096 = 14305^2 + 4436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224311121 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 224311121.

It is not a weakly prime, because it can be changed into another prime (224311151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112155560 + 112155561.

It is an arithmetic number, because the mean of its divisors is an integer number (112155561).

Almost surely, 2^224311121 is an apocalyptic number.

It is an amenable number.

224311121 is a deficient number, since it is larger than the sum of its proper divisors (1).

224311121 is an equidigital number, since it uses as much as digits as its factorization.

224311121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 224311121 is about 14977.0197636245. The cubic root of 224311121 is about 607.5988388805.

Adding to 224311121 its reverse (121113422), we get a palindrome (345424543).

The spelling of 224311121 in words is "two hundred twenty-four million, three hundred eleven thousand, one hundred twenty-one".