224040304450181 has 2 divisors, whose sum is σ = 224040304450182. Its totient is φ = 224040304450180.

The previous prime is 224040304450093. The next prime is 224040304450187. The reversal of 224040304450181 is 181054403040422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170701149520225 + 53339154929956 = 13065265^2 + 7303366^2 .

It is a cyclic number.

It is not a de Polignac number, because 224040304450181 - 2³⁸ = 223765426543237 is a prime.

It is a super-2 number, since 2×224040304450181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224040304450187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112020152225090 + 112020152225091.

It is an arithmetic number, because the mean of its divisors is an integer number (112020152225091).

Almost surely, 2^{224040304450181} is an apocalyptic number.

It is an amenable number.

224040304450181 is a deficient number, since it is larger than the sum of its proper divisors (1).

224040304450181 is an equidigital number, since it uses as much as digits as its factorization.

224040304450181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 224040304450181 in words is "two hundred twenty-four trillion, forty billion, three hundred four million, four hundred fifty thousand, one hundred eighty-one".