2205123307 has 2 divisors, whose sum is σ = 2205123308. Its totient is φ = 2205123306.

The previous prime is 2205123293. The next prime is 2205123311. The reversal of 2205123307 is 7033215022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205123307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205123317) 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, 1102561653 + 1102561654.

It is an arithmetic number, because the mean of its divisors is an integer number (1102561654).

Almost surely, 2^2205123307 is an apocalyptic number.

2205123307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205123307 is an equidigital number, since it uses as much as digits as its factorization.

2205123307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2205123307 is about 46958.7404750170. The cubic root of 2205123307 is about 1301.6002594996.

Adding to 2205123307 its reverse (7033215022), we get a palindrome (9238338329).

The spelling of 2205123307 in words is "two billion, two hundred five million, one hundred twenty-three thousand, three hundred seven".