7852262220 has 72 divisors (see below), whose sum is σ = 25983856080. Its totient is φ = 1903578240.

The previous prime is 7852262219. The next prime is 7852262239. The reversal of 7852262220 is 222622587.

7852262220 is a `hidden beast` number, since 7 + 8 + 5 + 2 + 2 + 622 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980915 + ... + 1984874.

It is an arithmetic number, because the mean of its divisors is an integer number (360886890).

Almost surely, 2^7852262220 is an apocalyptic number.

It is an amenable number.

7852262220 is an abundant number, since it is smaller than the sum of its proper divisors (18131593860).

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

7852262220 is a wasteful number, since it uses less digits than its factorization.

7852262220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965815 (or 3965810 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 7852262220 is about 88612.9912597470. The cubic root of 7852262220 is about 1987.6119448042.

It can be divided in two parts, 7852 and 262220, that added together give a palindrome (270072).

The spelling of 7852262220 in words is "seven billion, eight hundred fifty-two million, two hundred sixty-two thousand, two hundred twenty".