852220 has 12 divisors (see below), whose sum is σ = 1789704. Its totient is φ = 340880.

The previous prime is 852211. The next prime is 852233. The reversal of 852220 is 22258.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21286 + ... + 21325.

It is an arithmetic number, because the mean of its divisors is an integer number (149142).

2⁸⁵²²²⁰ is an apocalyptic number.

It is an amenable number.

852220 is an abundant number, since it is smaller than the sum of its proper divisors (937484).

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

852220 is a wasteful number, since it uses less digits than its factorization.

852220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42620 (or 42618 counting only the distinct ones).

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

The square root of 852220 is about 923.1576246774. The cubic root of 852220 is about 94.8092200852.

Adding to 852220 its reverse (22258), we get a palindrome (874478).

The spelling of 852220 in words is "eight hundred fifty-two thousand, two hundred twenty".