3222112218 has 64 divisors (see below), whose sum is σ = 7151152512. Its totient is φ = 961424640.

The previous prime is 3222112217. The next prime is 3222112241. The reversal of 3222112218 is 8122112223.

It is not an unprimeable number, because it can be changed into a prime (3222112217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953580 + ... + 956952.

It is an arithmetic number, because the mean of its divisors is an integer number (111736758).

Almost surely, 2^3222112218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3222112218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575576256).

3222112218 is an abundant number, since it is smaller than the sum of its proper divisors (3929040294).

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

3222112218 is a wasteful number, since it uses less digits than its factorization.

3222112218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759.

The product of its digits is 768, while the sum is 24.

The square root of 3222112218 is about 56763.6522609319. The cubic root of 3222112218 is about 1476.9990656395. Note that the first 3 decimals are identical.

It can be divided in two parts, 3222 and 112218, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 3222112218 in words is "three billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eighteen".