2205450209 has 8 divisors (see below), whose sum is σ = 2237326272. Its totient is φ = 2173596880.

The previous prime is 2205450199. The next prime is 2205450211. The reversal of 2205450209 is 9020545022.

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 2205450209 - 2¹⁶ = 2205384673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2205450809) 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, 332762 + ... + 339324.

It is an arithmetic number, because the mean of its divisors is an integer number (279665784).

Almost surely, 2^2205450209 is an apocalyptic number.

It is an amenable number.

2205450209 is a deficient number, since it is larger than the sum of its proper divisors (31876063).

2205450209 is an equidigital number, since it uses as much as digits as its factorization.

2205450209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11367.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2205450209 is about 46962.2210824829. The cubic root of 2205450209 is about 1301.6645755861.

The spelling of 2205450209 in words is "two billion, two hundred five million, four hundred fifty thousand, two hundred nine".