222864667867 has 2 divisors, whose sum is σ = 222864667868. Its totient is φ = 222864667866.

The previous prime is 222864667787. The next prime is 222864667877. The reversal of 222864667867 is 768766468222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222864667867 - 2²⁷ = 222730450139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222864667799 and 222864667808.

It is not a weakly prime, because it can be changed into another prime (222864667877) 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, 111432333933 + 111432333934.

It is an arithmetic number, because the mean of its divisors is an integer number (111432333934).

Almost surely, 2^222864667867 is an apocalyptic number.

222864667867 is a deficient number, since it is larger than the sum of its proper divisors (1).

222864667867 is an equidigital number, since it uses as much as digits as its factorization.

222864667867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130056192, while the sum is 64.

The spelling of 222864667867 in words is "two hundred twenty-two billion, eight hundred sixty-four million, six hundred sixty-seven thousand, eight hundred sixty-seven".