3221132224 has 28 divisors (see below), whose sum is σ = 6414717168. Its totient is φ = 1604825600.

The previous prime is 3221132203. The next prime is 3221132231. The reversal of 3221132224 is 4222311223.

It is a junction number, because it is equal to n+sod(n) for n = 3221132195 and 3221132204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71572 + ... + 107539.

Almost surely, 2^3221132224 is an apocalyptic number.

It is an amenable number.

3221132224 is a deficient number, since it is larger than the sum of its proper divisors (3193584944).

3221132224 is a wasteful number, since it uses less digits than its factorization.

3221132224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179404 (or 179394 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 3221132224 is about 56755.0193727392. The cubic root of 3221132224 is about 1476.8493091138.

Adding to 3221132224 its reverse (4222311223), we get a palindrome (7443443447).

The spelling of 3221132224 in words is "three billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred twenty-four".