36864012222 has 56 divisors (see below), whose sum is σ = 83463010200. Its totient is φ = 12205462320.

The previous prime is 36864012191. The next prime is 36864012247. The reversal of 36864012222 is 22221046863.

36864012222 is a `hidden beast` number, since 3 + 6 + 8 + 640 + 1 + 2 + 2 + 2 + 2 = 666.

36864012222 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 27 ways as a sum of consecutive naturals, for example, 132397 + ... + 302087.

Almost surely, 2^36864012222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36864012222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41731505100).

36864012222 is an abundant number, since it is smaller than the sum of its proper divisors (46598997978).

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

36864012222 is a wasteful number, since it uses less digits than its factorization.

36864012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169860 (or 169845 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 36864012222 in words is "thirty-six billion, eight hundred sixty-four million, twelve thousand, two hundred twenty-two".