211704229 has 8 divisors (see below), whose sum is σ = 231118272. Its totient is φ = 192318240.

The previous prime is 211704191. The next prime is 211704271. The reversal of 211704229 is 922407112.

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

It is a cyclic number.

It is not a de Polignac number, because 211704229 - 2²¹ = 209607077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211704197 and 211704206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211704629) 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, 10737 + ... + 23209.

It is an arithmetic number, because the mean of its divisors is an integer number (28889784).

Almost surely, 2^211704229 is an apocalyptic number.

It is an amenable number.

211704229 is a deficient number, since it is larger than the sum of its proper divisors (19414043).

211704229 is a wasteful number, since it uses less digits than its factorization.

211704229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 211704229 is about 14550.0594156862. The cubic root of 211704229 is about 595.9957706185.

The spelling of 211704229 in words is "two hundred eleven million, seven hundred four thousand, two hundred twenty-nine".