222128161887263 has 2 divisors, whose sum is σ = 222128161887264. Its totient is φ = 222128161887262.

The previous prime is 222128161887251. The next prime is 222128161887323. The reversal of 222128161887263 is 362788161821222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222128161887263 - 2³⁶ = 222059442410527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222128161883263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111064080943631 + 111064080943632.

It is an arithmetic number, because the mean of its divisors is an integer number (111064080943632).

Almost surely, 2^{222128161887263} is an apocalyptic number.

222128161887263 is a deficient number, since it is larger than the sum of its proper divisors (1).

222128161887263 is an equidigital number, since it uses as much as digits as its factorization.

222128161887263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 59.

The spelling of 222128161887263 in words is "two hundred twenty-two trillion, one hundred twenty-eight billion, one hundred sixty-one million, eight hundred eighty-seven thousand, two hundred sixty-three".