3221325456 has 20 divisors (see below), whose sum is σ = 8321757552. Its totient is φ = 1073775136.

The previous prime is 3221325391. The next prime is 3221325469. The reversal of 3221325456 is 6545231223.

It is a happy 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, 33555426 + ... + 33555521.

Almost surely, 2^3221325456 is an apocalyptic number.

It is an amenable number.

3221325456 is an abundant number, since it is smaller than the sum of its proper divisors (5100432096).

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

3221325456 is a wasteful number, since it uses less digits than its factorization.

3221325456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67110958 (or 67110952 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 3221325456 is about 56756.7216812247. The cubic root of 3221325456 is about 1476.8788400178.

Adding to 3221325456 its reverse (6545231223), we get a palindrome (9766556679).

The spelling of 3221325456 in words is "three billion, two hundred twenty-one million, three hundred twenty-five thousand, four hundred fifty-six".