850222 has 16 divisors (see below), whose sum is σ = 1341360. Its totient is φ = 403648.

The previous prime is 850211. The next prime is 850229. The reversal of 850222 is 222058.

It is a self number, because there is not a number n which added to its sum of digits gives 850222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850229) by changing a digit.

850222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6138 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (83835).

2⁸⁵⁰²²² is an apocalyptic number.

850222 is a deficient number, since it is larger than the sum of its proper divisors (491138).

850222 is a wasteful number, since it uses less digits than its factorization.

850222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 850222 is about 922.0748342732. The cubic root of 850222 is about 94.7350698066.

The spelling of 850222 in words is "eight hundred fifty thousand, two hundred twenty-two".