180229213 has 2 divisors, whose sum is σ = 180229214. Its totient is φ = 180229212.

The previous prime is 180229187. The next prime is 180229241. The reversal of 180229213 is 312922081.

It is an a-pointer prime, because the next prime (180229241) can be obtained adding 180229213 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117787609 + 62441604 = 10853^2 + 7902^2 .

It is a cyclic number.

It is not a de Polignac number, because 180229213 - 2⁹ = 180228701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180229253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90114606 + 90114607.

It is an arithmetic number, because the mean of its divisors is an integer number (90114607).

Almost surely, 2^180229213 is an apocalyptic number.

It is an amenable number.

180229213 is a deficient number, since it is larger than the sum of its proper divisors (1).

180229213 is an equidigital number, since it uses as much as digits as its factorization.

180229213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 180229213 is about 13424.9474114426. The cubic root of 180229213 is about 564.8611797721.

The spelling of 180229213 in words is "one hundred eighty million, two hundred twenty-nine thousand, two hundred thirteen".