852066228 has 72 divisors (see below), whose sum is σ = 2160442368. Its totient is φ = 261251328.

The previous prime is 852066209. The next prime is 852066233. The reversal of 852066228 is 822660258.

It is a super-3 number, since 3×852066228³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776176 + ... + 777272.

It is an arithmetic number, because the mean of its divisors is an integer number (30006144).

Almost surely, 2^852066228 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 852066228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080221184).

852066228 is an abundant number, since it is smaller than the sum of its proper divisors (1308376140).

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

852066228 is a wasteful number, since it uses less digits than its factorization.

852066228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 852066228 is about 29190.1734835544. The cubic root of 852066228 is about 948.0351737915.

The spelling of 852066228 in words is "eight hundred fifty-two million, sixty-six thousand, two hundred twenty-eight".