71271442022 has 48 divisors (see below), whose sum is σ = 126279382320. Its totient is φ = 30035258880.

The previous prime is 71271442009. The next prime is 71271442031. The reversal of 71271442022 is 22024417217.

It is a self number, because there is not a number n which added to its sum of digits gives 71271442022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146354 + ... + 404922.

It is an arithmetic number, because the mean of its divisors is an integer number (2630820465).

Almost surely, 2^71271442022 is an apocalyptic number.

71271442022 is a deficient number, since it is larger than the sum of its proper divisors (55007940298).

71271442022 is a wasteful number, since it uses less digits than its factorization.

71271442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258677 (or 258666 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

Adding to 71271442022 its reverse (22024417217), we get a palindrome (93295859239).

The spelling of 71271442022 in words is "seventy-one billion, two hundred seventy-one million, four hundred forty-two thousand, twenty-two".