222143664887 has 2 divisors, whose sum is σ = 222143664888. Its totient is φ = 222143664886.

The previous prime is 222143664881. The next prime is 222143664901. The reversal of 222143664887 is 788466341222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222143664887 - 2¹⁸ = 222143402743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222143664881) 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, 111071832443 + 111071832444.

It is an arithmetic number, because the mean of its divisors is an integer number (111071832444).

Almost surely, 2^222143664887 is an apocalyptic number.

222143664887 is a deficient number, since it is larger than the sum of its proper divisors (1).

222143664887 is an equidigital number, since it uses as much as digits as its factorization.

222143664887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 53.

The spelling of 222143664887 in words is "two hundred twenty-two billion, one hundred forty-three million, six hundred sixty-four thousand, eight hundred eighty-seven".