3221544222 has 48 divisors (see below), whose sum is σ = 7539827568. Its totient is φ = 988225920.

The previous prime is 3221544191. The next prime is 3221544223. The reversal of 3221544222 is 2224451223.

3221544222 is a `hidden beast` number, since 3 + 2 + 215 + 442 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221544223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56658 + ... + 98250.

It is an arithmetic number, because the mean of its divisors is an integer number (157079741).

Almost surely, 2^3221544222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221544222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3769913784).

3221544222 is an abundant number, since it is smaller than the sum of its proper divisors (4318283346).

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

3221544222 is a wasteful number, since it uses less digits than its factorization.

3221544222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41945 (or 41942 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 3221544222 is about 56758.6488739822. The cubic root of 3221544222 is about 1476.9122717596.

Adding to 3221544222 its reverse (2224451223), we get a palindrome (5445995445).

The spelling of 3221544222 in words is "three billion, two hundred twenty-one million, five hundred forty-four thousand, two hundred twenty-two".