210229 has 2 divisors, whose sum is σ = 210230. Its totient is φ = 210228.

The previous prime is 210209. The next prime is 210233. The reversal of 210229 is 922012.

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., 119025 + 91204 = 345^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 210229 - 2⁷ = 210101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105114 + 105115.

It is an arithmetic number, because the mean of its divisors is an integer number (105115).

2²¹⁰²²⁹ is an apocalyptic number.

It is an amenable number.

210229 is a deficient number, since it is larger than the sum of its proper divisors (1).

210229 is an equidigital number, since it uses as much as digits as its factorization.

210229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 210229 is about 458.5073609006. The cubic root of 210229 is about 59.4608173634.

The spelling of 210229 in words is "two hundred ten thousand, two hundred twenty-nine".