222982871 has 2 divisors, whose sum is σ = 222982872. Its totient is φ = 222982870.

The previous prime is 222982853. The next prime is 222982891. The reversal of 222982871 is 178289222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222982871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222982891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111491435 + 111491436.

It is an arithmetic number, because the mean of its divisors is an integer number (111491436).

Almost surely, 2^222982871 is an apocalyptic number.

222982871 is a deficient number, since it is larger than the sum of its proper divisors (1).

222982871 is an equidigital number, since it uses as much as digits as its factorization.

222982871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 222982871 is about 14932.6109907142. The cubic root of 222982871 is about 606.3971725313.

The spelling of 222982871 in words is "two hundred twenty-two million, nine hundred eighty-two thousand, eight hundred seventy-one".