224345026412021 has 2 divisors, whose sum is σ = 224345026412022. Its totient is φ = 224345026412020.

The previous prime is 224345026411963. The next prime is 224345026412033. The reversal of 224345026412021 is 120214620543422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203460583409521 + 20884443002500 = 14263961^2 + 4569950^2 .

It is a cyclic number.

It is not a de Polignac number, because 224345026412021 - 2²² = 224345022217717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224345026412071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112172513206010 + 112172513206011.

It is an arithmetic number, because the mean of its divisors is an integer number (112172513206011).

Almost surely, 2^{224345026412021} is an apocalyptic number.

It is an amenable number.

224345026412021 is a deficient number, since it is larger than the sum of its proper divisors (1).

224345026412021 is an equidigital number, since it uses as much as digits as its factorization.

224345026412021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 224345026412021 its reverse (120214620543422), we get a palindrome (344559646955443).

The spelling of 224345026412021 in words is "two hundred twenty-four trillion, three hundred forty-five billion, twenty-six million, four hundred twelve thousand, twenty-one".