3222222111220 has 96 divisors (see below), whose sum is σ = 7976070466560. Its totient is φ = 1070550566400.

The previous prime is 3222222111191. The next prime is 3222222111221. The reversal of 3222222111220 is 221112222223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3222222111191 and 3222222111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222222111221) 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, 1759675 + ... + 3088834.

It is an arithmetic number, because the mean of its divisors is an integer number (83084067360).

Almost surely, 2^{3222222111220} is an apocalyptic number.

It is an amenable number.

3222222111220 is an abundant number, since it is smaller than the sum of its proper divisors (4753848355340).

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

3222222111220 is a wasteful number, since it uses less digits than its factorization.

3222222111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848673 (or 4848671 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 3222222111220 its reverse (221112222223), we get a palindrome (3443334333443).

The spelling of 3222222111220 in words is "three trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twenty".