2205312211 has 2 divisors, whose sum is σ = 2205312212. Its totient is φ = 2205312210.

The previous prime is 2205312191. The next prime is 2205312271. The reversal of 2205312211 is 1122135022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2205312211 - 2²¹ = 2203215059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205312271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102656105 + 1102656106.

It is an arithmetic number, because the mean of its divisors is an integer number (1102656106).

Almost surely, 2^2205312211 is an apocalyptic number.

2205312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205312211 is an equidigital number, since it uses as much as digits as its factorization.

2205312211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2205312211 is about 46960.7518146803. The cubic root of 2205312211 is about 1301.6374260493.

Adding to 2205312211 its reverse (1122135022), we get a palindrome (3327447233).

The spelling of 2205312211 in words is "two billion, two hundred five million, three hundred twelve thousand, two hundred eleven".