871354255225222 has 32 divisors (see below), whose sum is σ = 1331790340147200. Its totient is φ = 427453401294528.

The previous prime is 871354255225009. The next prime is 871354255225301. The reversal of 871354255225222 is 222522552453178.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330570163 + ... + 333195649.

It is an arithmetic number, because the mean of its divisors is an integer number (41618448129600).

Almost surely, 2^{871354255225222} is an apocalyptic number.

871354255225222 is a deficient number, since it is larger than the sum of its proper divisors (460436084921978).

871354255225222 is a wasteful number, since it uses less digits than its factorization.

871354255225222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631060.

The product of its digits is 26880000, while the sum is 55.

The spelling of 871354255225222 in words is "eight hundred seventy-one trillion, three hundred fifty-four billion, two hundred fifty-five million, two hundred twenty-five thousand, two hundred twenty-two".