224420105549 has 2 divisors, whose sum is σ = 224420105550. Its totient is φ = 224420105548.

The previous prime is 224420105521. The next prime is 224420105563. The reversal of 224420105549 is 945501024422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198008980324 + 26411125225 = 444982^2 + 162515^2 .

It is a cyclic number.

It is not a de Polignac number, because 224420105549 - 2²⁰ = 224419056973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224420105149) 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, 112210052774 + 112210052775.

It is an arithmetic number, because the mean of its divisors is an integer number (112210052775).

Almost surely, 2^224420105549 is an apocalyptic number.

It is an amenable number.

224420105549 is a deficient number, since it is larger than the sum of its proper divisors (1).

224420105549 is an equidigital number, since it uses as much as digits as its factorization.

224420105549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 224420105549 in words is "two hundred twenty-four billion, four hundred twenty million, one hundred five thousand, five hundred forty-nine".