2209808329 has 8 divisors (see below), whose sum is σ = 2309639040. Its totient is φ = 2110290336.

The previous prime is 2209808311. The next prime is 2209808383. The reversal of 2209808329 is 9238089022.

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 2209808329 - 2¹¹ = 2209806281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209808389) 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, 63669 + ... + 92050.

It is an arithmetic number, because the mean of its divisors is an integer number (288704880).

Almost surely, 2^2209808329 is an apocalyptic number.

It is an amenable number.

2209808329 is a deficient number, since it is larger than the sum of its proper divisors (99830711).

2209808329 is a wasteful number, since it uses less digits than its factorization.

2209808329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156359.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2209808329 is about 47008.5984581544. The cubic root of 2209808329 is about 1302.5214041033.

The spelling of 2209808329 in words is "two billion, two hundred nine million, eight hundred eight thousand, three hundred twenty-nine".