224304121 has 2 divisors, whose sum is σ = 224304122. Its totient is φ = 224304120.

The previous prime is 224304083. The next prime is 224304131. The reversal of 224304121 is 121403422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217857600 + 6446521 = 14760^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 224304121 - 2¹⁷ = 224173049 is a prime.

It is not a weakly prime, because it can be changed into another prime (224304131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112152060 + 112152061.

It is an arithmetic number, because the mean of its divisors is an integer number (112152061).

Almost surely, 2^224304121 is an apocalyptic number.

It is an amenable number.

224304121 is a deficient number, since it is larger than the sum of its proper divisors (1).

224304121 is an equidigital number, since it uses as much as digits as its factorization.

224304121 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 224304121 is about 14976.7860704492. The cubic root of 224304121 is about 607.5925184388.

Adding to 224304121 its reverse (121403422), we get a palindrome (345707543).

The spelling of 224304121 in words is "two hundred twenty-four million, three hundred four thousand, one hundred twenty-one".