3221001332 has 24 divisors (see below), whose sum is σ = 5669937000. Its totient is φ = 1601041536.

The previous prime is 3221001323. The next prime is 3221001347. The reversal of 3221001332 is 2331001223.

It can be written as a sum of positive squares in 4 ways, for example, as 768176656 + 2452824676 = 27716^2 + 49526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3221001332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705794 + ... + 710342.

It is an arithmetic number, because the mean of its divisors is an integer number (236247375).

Almost surely, 2^3221001332 is an apocalyptic number.

It is an amenable number.

3221001332 is a deficient number, since it is larger than the sum of its proper divisors (2448935668).

3221001332 is a wasteful number, since it uses less digits than its factorization.

3221001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3221001332 is about 56753.8662295354. The cubic root of 3221001332 is about 1476.8293047215.

Adding to 3221001332 its reverse (2331001223), we get a palindrome (5552002555).

The spelling of 3221001332 in words is "three billion, two hundred twenty-one million, one thousand, three hundred thirty-two".