3230231221 has 8 divisors (see below), whose sum is σ = 3724363584. Its totient is φ = 2744266560.

The previous prime is 3230231219. The next prime is 3230231233. The reversal of 3230231221 is 1221320323.

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

It is not a de Polignac number, because 3230231221 - 2¹ = 3230231219 is a prime.

It is a super-2 number, since 2×3230231221² = 20868787482246301682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230234221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041075 + ... + 2042656.

It is an arithmetic number, because the mean of its divisors is an integer number (465545448).

Almost surely, 2^3230231221 is an apocalyptic number.

It is an amenable number.

3230231221 is a deficient number, since it is larger than the sum of its proper divisors (494132363).

3230231221 is a wasteful number, since it uses less digits than its factorization.

3230231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083851.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3230231221 is about 56835.1231282206. The cubic root of 3230231221 is about 1478.2385943425.

Adding to 3230231221 its reverse (1221320323), we get a palindrome (4451551544).

The spelling of 3230231221 in words is "three billion, two hundred thirty million, two hundred thirty-one thousand, two hundred twenty-one".