850842222255 has 24 divisors (see below), whose sum is σ = 1502619475968. Its totient is φ = 445220582976.

The previous prime is 850842222233. The next prime is 850842222289. The reversal of 850842222255 is 552222248058.

It is a happy number.

It is not a de Polignac number, because 850842222255 - 2⁹ = 850842221743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 850842222255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178371247 + ... + 178376016.

It is an arithmetic number, because the mean of its divisors is an integer number (62609144832).

Almost surely, 2^850842222255 is an apocalyptic number.

850842222255 is a deficient number, since it is larger than the sum of its proper divisors (651777253713).

850842222255 is a wasteful number, since it uses less digits than its factorization.

850842222255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356747327 (or 356747324 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 45.

The spelling of 850842222255 in words is "eight hundred fifty billion, eight hundred forty-two million, two hundred twenty-two thousand, two hundred fifty-five".