3220222012 has 48 divisors (see below), whose sum is σ = 6608546560. Its totient is φ = 1344252672.

The previous prime is 3220222007. The next prime is 3220222013. The reversal of 3220222012 is 2102220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220222013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452788 + ... + 459844.

Almost surely, 2^3220222012 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 3220222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3304273280).

3220222012 is an abundant number, since it is smaller than the sum of its proper divisors (3388324548).

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

3220222012 is a wasteful number, since it uses less digits than its factorization.

3220222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490 (or 7488 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3220222012 is about 56747.0000264331. Note that the first 4 decimals coincide. The cubic root of 3220222012 is about 1476.7101890254.

Adding to 3220222012 its reverse (2102220223), we get a palindrome (5322442235).

The spelling of 3220222012 in words is "three billion, two hundred twenty million, two hundred twenty-two thousand, twelve".