222000871 has 2 divisors, whose sum is σ = 222000872. Its totient is φ = 222000870.

The previous prime is 222000833. The next prime is 222000901. The reversal of 222000871 is 178000222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222000871 - 2⁷ = 222000743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222007871) 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, 111000435 + 111000436.

It is an arithmetic number, because the mean of its divisors is an integer number (111000436).

Almost surely, 2^222000871 is an apocalyptic number.

222000871 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000871 is an equidigital number, since it uses as much as digits as its factorization.

222000871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 222000871 is about 14899.6936545689. The cubic root of 222000871 is about 605.5056865341.

The spelling of 222000871 in words is "two hundred twenty-two million, eight hundred seventy-one", and thus it is an aban number.