2222305209 has 12 divisors (see below), whose sum is σ = 3210433200. Its totient is φ = 1481335224.

The previous prime is 2222305187. The next prime is 2222305219. The reversal of 2222305209 is 9025032222.

2222305209 is a `hidden beast` number, since 222 + 230 + 5 + 209 = 666.

It is not a de Polignac number, because 2222305209 - 2¹⁵ = 2222272441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222305219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86362 + ... + 109100.

It is an arithmetic number, because the mean of its divisors is an integer number (267536100).

Almost surely, 2^2222305209 is an apocalyptic number.

It is an amenable number.

2222305209 is a deficient number, since it is larger than the sum of its proper divisors (988127991).

2222305209 is a wasteful number, since it uses less digits than its factorization.

2222305209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33604 (or 33601 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2222305209 is about 47141.3322785854. The cubic root of 2222305209 is about 1304.9721243000.

The spelling of 2222305209 in words is "two billion, two hundred twenty-two million, three hundred five thousand, two hundred nine".