852822 has 32 divisors (see below), whose sum is σ = 2008800. Its totient is φ = 267264.

The previous prime is 852809. The next prime is 852827. The reversal of 852822 is 228258.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852827) by changing a digit.

852822 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 15 ways as a sum of consecutive naturals, for example, 454 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (62775).

2⁸⁵²⁸²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004400).

852822 is an abundant number, since it is smaller than the sum of its proper divisors (1155978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852822 is a wasteful number, since it uses less digits than its factorization.

852822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 852822 is about 923.4836219446. The cubic root of 852822 is about 94.8315389374.

The spelling of 852822 in words is "eight hundred fifty-two thousand, eight hundred twenty-two".