3221121332 has 48 divisors (see below), whose sum is σ = 6628716864. Its totient is φ = 1350240000.

The previous prime is 3221121331. The next prime is 3221121361. The reversal of 3221121332 is 2331211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221121331) 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, 828032 + ... + 831912.

It is an arithmetic number, because the mean of its divisors is an integer number (138098268).

Almost surely, 2^3221121332 is an apocalyptic number.

It is an amenable number.

3221121332 is an abundant number, since it is smaller than the sum of its proper divisors (3407595532).

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

3221121332 is a wasteful number, since it uses less digits than its factorization.

3221121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360 (or 5358 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 3221121332 is about 56754.9234163874. The cubic root of 3221121332 is about 1476.8476444962.

Adding to 3221121332 its reverse (2331211223), we get a palindrome (5552332555).

The spelling of 3221121332 in words is "three billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-two".