229120444171 has 2 divisors, whose sum is σ = 229120444172. Its totient is φ = 229120444170.

The previous prime is 229120444129. The next prime is 229120444177. The reversal of 229120444171 is 171444021922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229120444171 - 2¹³ = 229120435979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229120444171.

It is not a weakly prime, because it can be changed into another prime (229120444177) 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, 114560222085 + 114560222086.

It is an arithmetic number, because the mean of its divisors is an integer number (114560222086).

Almost surely, 2^229120444171 is an apocalyptic number.

229120444171 is a deficient number, since it is larger than the sum of its proper divisors (1).

229120444171 is an equidigital number, since it uses as much as digits as its factorization.

229120444171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 229120444171 in words is "two hundred twenty-nine billion, one hundred twenty million, four hundred forty-four thousand, one hundred seventy-one".