180012229 has 2 divisors, whose sum is σ = 180012230. Its totient is φ = 180012228.

The previous prime is 180012227. The next prime is 180012241. The reversal of 180012229 is 922210081.

180012229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92121604 + 87890625 = 9598^2 + 9375^2 .

It is a cyclic number.

It is not a de Polignac number, because 180012229 - 2¹ = 180012227 is a prime.

Together with 180012227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180012223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90006114 + 90006115.

It is an arithmetic number, because the mean of its divisors is an integer number (90006115).

Almost surely, 2^180012229 is an apocalyptic number.

It is an amenable number.

180012229 is a deficient number, since it is larger than the sum of its proper divisors (1).

180012229 is an equidigital number, since it uses as much as digits as its factorization.

180012229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 180012229 is about 13416.8636051799. The cubic root of 180012229 is about 564.6344036275.

The spelling of 180012229 in words is "one hundred eighty million, twelve thousand, two hundred twenty-nine".