8220870236 has 12 divisors (see below), whose sum is σ = 14882610120. Its totient is φ = 3968695920.

The previous prime is 8220870233. The next prime is 8220870257. The reversal of 8220870236 is 6320780228.

It is a self number, because there is not a number n which added to its sum of digits gives 8220870236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220870233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35434670 + ... + 35434901.

It is an arithmetic number, because the mean of its divisors is an integer number (1240217510).

Almost surely, 2^8220870236 is an apocalyptic number.

It is an amenable number.

8220870236 is a deficient number, since it is larger than the sum of its proper divisors (6661739884).

8220870236 is a wasteful number, since it uses less digits than its factorization.

8220870236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70869604 (or 70869602 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 8220870236 is about 90669.0147514574. The cubic root of 8220870236 is about 2018.2390165196.

The spelling of 8220870236 in words is "eight billion, two hundred twenty million, eight hundred seventy thousand, two hundred thirty-six".