4663222121 has 2 divisors, whose sum is σ = 4663222122. Its totient is φ = 4663222120.

The previous prime is 4663222087. The next prime is 4663222129. The reversal of 4663222121 is 1212223664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3335640025 + 1327582096 = 57755^2 + 36436^2 .

It is a cyclic number.

It is not a de Polignac number, because 4663222121 - 2¹⁴ = 4663205737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4663222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331611060 + 2331611061.

It is an arithmetic number, because the mean of its divisors is an integer number (2331611061).

Almost surely, 2^4663222121 is an apocalyptic number.

It is an amenable number.

4663222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4663222121 is an equidigital number, since it uses as much as digits as its factorization.

4663222121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 4663222121 is about 68287.7889596669. The cubic root of 4663222121 is about 1670.6880548893.

Adding to 4663222121 its reverse (1212223664), we get a palindrome (5875445785).

The spelling of 4663222121 in words is "four billion, six hundred sixty-three million, two hundred twenty-two thousand, one hundred twenty-one".