209229 has 8 divisors (see below), whose sum is σ = 282240. Its totient is φ = 137856.

The previous prime is 209227. The next prime is 209233. The reversal of 209229 is 922902.

209229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 209229 - 2¹ = 209227 is a prime.

It is a Curzon number.

209229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 209199 and 209208.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 209229.

It is not an unprimeable number, because it can be changed into a prime (209221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2²⁰⁹²²⁹ is an apocalyptic number.

It is an amenable number.

209229 is a deficient number, since it is larger than the sum of its proper divisors (73011).

209229 is an equidigital number, since it uses as much as digits as its factorization.

209229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 209229 is about 457.4155659791. The cubic root of 209229 is about 59.3663880400.

The spelling of 209229 in words is "two hundred nine thousand, two hundred twenty-nine".