852218140 has 12 divisors (see below), whose sum is σ = 1789658136. Its totient is φ = 340887248.

The previous prime is 852218131. The next prime is 852218173. The reversal of 852218140 is 41812258.

852218140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21305434 + ... + 21305473.

It is an arithmetic number, because the mean of its divisors is an integer number (149138178).

Almost surely, 2^852218140 is an apocalyptic number.

It is an amenable number.

852218140 is an abundant number, since it is smaller than the sum of its proper divisors (937439996).

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

852218140 is a wasteful number, since it uses less digits than its factorization.

852218140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42610916 (or 42610914 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 852218140 is about 29192.7754761345. The cubic root of 852218140 is about 948.0915111029.

It can be divided in two parts, 8522 and 18140, that added together give a palindrome (26662).

The spelling of 852218140 in words is "eight hundred fifty-two million, two hundred eighteen thousand, one hundred forty".