852228 has 48 divisors (see below), whose sum is σ = 2383360. Its totient is φ = 261792.

The previous prime is 852211. The next prime is 852233. The reversal of 852228 is 822258.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101 + ... + 1707.

2⁸⁵²²²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191680).

852228 is an abundant number, since it is smaller than the sum of its proper divisors (1531132).

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

852228 is a wasteful number, since it uses less digits than its factorization.

852228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 625 counting only the distinct ones).

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

The square root of 852228 is about 923.1619576217. The cubic root of 852228 is about 94.8095167501.

The spelling of 852228 in words is "eight hundred fifty-two thousand, two hundred twenty-eight".