3321222212 has 96 divisors (see below), whose sum is σ = 7357464576. Its totient is φ = 1274313600.

The previous prime is 3321222209. The next prime is 3321222217. The reversal of 3321222212 is 2122221233.

It is a happy number.

3321222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3321222212² = 22061033962964345888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321222217) 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, 7705637 + ... + 7706067.

It is an arithmetic number, because the mean of its divisors is an integer number (76640256).

Almost surely, 2^3321222212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3678732288).

3321222212 is an abundant number, since it is smaller than the sum of its proper divisors (4036242364).

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

3321222212 is a wasteful number, since it uses less digits than its factorization.

3321222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 775 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 3321222212 is about 57630.0460870890. The cubic root of 3321222212 is about 1491.9902254341.

Adding to 3321222212 its reverse (2122221233), we get a palindrome (5443443445).

The spelling of 3321222212 in words is "three billion, three hundred twenty-one million, two hundred twenty-two thousand, two hundred twelve".