2212205647 has 2 divisors, whose sum is σ = 2212205648. Its totient is φ = 2212205646.

The previous prime is 2212205641. The next prime is 2212205659. The reversal of 2212205647 is 7465022122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212205647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212205641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106102823 + 1106102824.

It is an arithmetic number, because the mean of its divisors is an integer number (1106102824).

Almost surely, 2^2212205647 is an apocalyptic number.

2212205647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212205647 is an equidigital number, since it uses as much as digits as its factorization.

2212205647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2212205647 is about 47034.0902644029. The cubic root of 2212205647 is about 1302.9922487875.

Adding to 2212205647 its reverse (7465022122), we get a palindrome (9677227769).

The spelling of 2212205647 in words is "two billion, two hundred twelve million, two hundred five thousand, six hundred forty-seven".