224043121 has 2 divisors, whose sum is σ = 224043122. Its totient is φ = 224043120.

The previous prime is 224043101. The next prime is 224043139. The reversal of 224043121 is 121340422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223831521 + 211600 = 14961^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 224043121 - 2⁵ = 224043089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224043101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112021560 + 112021561.

It is an arithmetic number, because the mean of its divisors is an integer number (112021561).

Almost surely, 2^224043121 is an apocalyptic number.

It is an amenable number.

224043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

224043121 is an equidigital number, since it uses as much as digits as its factorization.

224043121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 224043121 is about 14968.0700492749. The cubic root of 224043121 is about 607.3567623370.

Adding to 224043121 its reverse (121340422), we get a palindrome (345383543).

The spelling of 224043121 in words is "two hundred twenty-four million, forty-three thousand, one hundred twenty-one".