2122065667 has 2 divisors, whose sum is σ = 2122065668. Its totient is φ = 2122065666.

The previous prime is 2122065643. The next prime is 2122065677. The reversal of 2122065667 is 7665602212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122065667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122065677) 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, 1061032833 + 1061032834.

It is an arithmetic number, because the mean of its divisors is an integer number (1061032834).

Almost surely, 2^2122065667 is an apocalyptic number.

2122065667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122065667 is an equidigital number, since it uses as much as digits as its factorization.

2122065667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2122065667 is about 46065.8839815324. The cubic root of 2122065667 is about 1285.0487583128.

Adding to 2122065667 its reverse (7665602212), we get a palindrome (9787667879).

The spelling of 2122065667 in words is "two billion, one hundred twenty-two million, sixty-five thousand, six hundred sixty-seven".