3221552 has 40 divisors (see below), whose sum is σ = 6629040. Its totient is φ = 1514240.

The previous prime is 3221549. The next prime is 3221557. The reversal of 3221552 is 2551223.

It is a d-powerful number, because it can be written as 3¹⁰ + 2¹⁰ + 2²⁰ + 1 + 5³ + 5⁶ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (3221557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24527 + ... + 24657.

It is an arithmetic number, because the mean of its divisors is an integer number (165726).

Almost surely, 2^3221552 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 3221552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3314520).

3221552 is an abundant number, since it is smaller than the sum of its proper divisors (3407488).

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

3221552 is a wasteful number, since it uses less digits than its factorization.

3221552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 215 counting only the distinct ones).

The product of its digits is 600, while the sum is 20.

The square root of 3221552 is about 1794.8682402895. The cubic root of 3221552 is about 147.6913460363.

Adding to 3221552 its reverse (2551223), we get a palindrome (5772775).

It can be divided in two parts, 3221 and 552, that added together give a palindrome (3773).

The spelling of 3221552 in words is "three million, two hundred twenty-one thousand, five hundred fifty-two".