3221321352 has 32 divisors (see below), whose sum is σ = 8313089280. Its totient is φ = 1039135680.

The previous prime is 3221321317. The next prime is 3221321357. The reversal of 3221321352 is 2531231223.

It is a happy number.

It is a super-2 number, since 2×3221321352² = 20753822505702215808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3221321357) 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, 2164123 + ... + 2165610.

It is an arithmetic number, because the mean of its divisors is an integer number (259784040).

Almost surely, 2^3221321352 is an apocalyptic number.

It is an amenable number.

3221321352 is an abundant number, since it is smaller than the sum of its proper divisors (5091767928).

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

3221321352 is a wasteful number, since it uses less digits than its factorization.

3221321352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329773 (or 4329769 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 3221321352 is about 56756.6855269051. The cubic root of 3221321352 is about 1476.8782128316.

Adding to 3221321352 its reverse (2531231223), we get a palindrome (5752552575).

The spelling of 3221321352 in words is "three billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred fifty-two".