3225221231 has 8 divisors (see below), whose sum is σ = 3249404928. Its totient is φ = 3201075000.

The previous prime is 3225221213. The next prime is 3225221239. The reversal of 3225221231 is 1321225223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3225221231 - 2¹⁴ = 3225204847 is a prime.

It is a super-2 number, since 2×3225221231² = 20804103977786310722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3225221197 and 3225221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225221239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177206 + ... + 194556.

It is an arithmetic number, because the mean of its divisors is an integer number (406175616).

Almost surely, 2^3225221231 is an apocalyptic number.

3225221231 is a deficient number, since it is larger than the sum of its proper divisors (24183697).

3225221231 is a wasteful number, since it uses less digits than its factorization.

3225221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18733.

The product of its digits is 1440, while the sum is 23.

The square root of 3225221231 is about 56791.0312549438. The cubic root of 3225221231 is about 1477.4739645913.

Adding to 3225221231 its reverse (1321225223), we get a palindrome (4546446454).

The spelling of 3225221231 in words is "three billion, two hundred twenty-five million, two hundred twenty-one thousand, two hundred thirty-one".