2305107221 has 2 divisors, whose sum is σ = 2305107222. Its totient is φ = 2305107220.

The previous prime is 2305107199. The next prime is 2305107247. The reversal of 2305107221 is 1227015032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1367890225 + 937216996 = 36985^2 + 30614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2305107221 - 2⁶ = 2305107157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2305107281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152553610 + 1152553611.

It is an arithmetic number, because the mean of its divisors is an integer number (1152553611).

Almost surely, 2^2305107221 is an apocalyptic number.

It is an amenable number.

2305107221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305107221 is an equidigital number, since it uses as much as digits as its factorization.

2305107221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2305107221 is about 48011.5321667618. The cubic root of 2305107221 is about 1320.9824376195.

The spelling of 2305107221 in words is "two billion, three hundred five million, one hundred seven thousand, two hundred twenty-one".