224326121 has 2 divisors, whose sum is σ = 224326122. Its totient is φ = 224326120.

The previous prime is 224326111. The next prime is 224326139. The reversal of 224326121 is 121623422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194295721 + 30030400 = 13939^2 + 5480^2 .

It is a cyclic number.

It is not a de Polignac number, because 224326121 - 2¹⁸ = 224063977 is a prime.

It is not a weakly prime, because it can be changed into another prime (224326111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112163060 + 112163061.

It is an arithmetic number, because the mean of its divisors is an integer number (112163061).

Almost surely, 2^224326121 is an apocalyptic number.

It is an amenable number.

224326121 is a deficient number, since it is larger than the sum of its proper divisors (1).

224326121 is an equidigital number, since it uses as much as digits as its factorization.

224326121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 224326121 is about 14977.5205224363. The cubic root of 224326121 is about 607.6123822415.

Adding to 224326121 its reverse (121623422), we get a palindrome (345949543).

The spelling of 224326121 in words is "two hundred twenty-four million, three hundred twenty-six thousand, one hundred twenty-one".