3216522222 has 48 divisors (see below), whose sum is σ = 7023510000. Its totient is φ = 1063835136.

The previous prime is 3216522181. The next prime is 3216522241. The reversal of 3216522222 is 2222256123.

3216522222 is a `hidden beast` number, since 3 + 2 + 1 + 652 + 2 + 2 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2574654 + ... + 2575902.

It is an arithmetic number, because the mean of its divisors is an integer number (146323125).

Almost surely, 2^3216522222 is an apocalyptic number.

3216522222 is an abundant number, since it is smaller than the sum of its proper divisors (3806987778).

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

3216522222 is a wasteful number, since it uses less digits than its factorization.

3216522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2254 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 3216522222 is about 56714.3916656081. The cubic root of 3216522222 is about 1476.1444297604.

Adding to 3216522222 its reverse (2222256123), we get a palindrome (5438778345).

The spelling of 3216522222 in words is "three billion, two hundred sixteen million, five hundred twenty-two thousand, two hundred twenty-two".