798222871 has 2 divisors, whose sum is σ = 798222872. Its totient is φ = 798222870.

The previous prime is 798222857. The next prime is 798222907. The reversal of 798222871 is 178222897.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 798222871 - 2⁵ = 798222839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798222671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399111435 + 399111436.

It is an arithmetic number, because the mean of its divisors is an integer number (399111436).

Almost surely, 2^798222871 is an apocalyptic number.

798222871 is a deficient number, since it is larger than the sum of its proper divisors (1).

798222871 is an equidigital number, since it uses as much as digits as its factorization.

798222871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 798222871 is about 28252.8382821974. The cubic root of 798222871 is about 927.6298652566.

The spelling of 798222871 in words is "seven hundred ninety-eight million, two hundred twenty-two thousand, eight hundred seventy-one".