4222646161 has 2 divisors, whose sum is σ = 4222646162. Its totient is φ = 4222646160.

The previous prime is 4222646083. The next prime is 4222646171. The reversal of 4222646161 is 1616462224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2543285761 + 1679360400 = 50431^2 + 40980^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222646161 - 2¹⁵ = 4222613393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4222646171) 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, 2111323080 + 2111323081.

It is an arithmetic number, because the mean of its divisors is an integer number (2111323081).

Almost surely, 2^4222646161 is an apocalyptic number.

It is an amenable number.

4222646161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222646161 is an equidigital number, since it uses as much as digits as its factorization.

4222646161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 4222646161 is about 64981.8910235767. The cubic root of 4222646161 is about 1616.3232881422.

The spelling of 4222646161 in words is "four billion, two hundred twenty-two million, six hundred forty-six thousand, one hundred sixty-one".