3221322231 has 16 divisors (see below), whose sum is σ = 4670663904. Its totient is φ = 1966593024.

The previous prime is 3221322217. The next prime is 3221322241. The reversal of 3221322231 is 1322231223.

It is a happy number.

It is not a de Polignac number, because 3221322231 - 2⁵ = 3221322199 is a prime.

It is a super-2 number, since 2×3221322231² = 20753833831869634722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3221322198 and 3221322207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221322241) 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, 851670 + ... + 855443.

It is an arithmetic number, because the mean of its divisors is an integer number (291916494).

Almost surely, 2^3221322231 is an apocalyptic number.

3221322231 is a deficient number, since it is larger than the sum of its proper divisors (1449341673).

3221322231 is a wasteful number, since it uses less digits than its factorization.

3221322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707170.

The product of its digits is 864, while the sum is 21.

The square root of 3221322231 is about 56756.6932704857. The cubic root of 3221322231 is about 1476.8783471632.

Adding to 3221322231 its reverse (1322231223), we get a palindrome (4543553454).

The spelling of 3221322231 in words is "three billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred thirty-one".