3221324040 has 128 divisors (see below), whose sum is σ = 10579766400. Its totient is φ = 778168320.

The previous prime is 3221324017. The next prime is 3221324053. The reversal of 3221324040 is 404231223.

It is a junction number, because it is equal to n+sod(n) for n = 3221323998 and 3221324016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382596 + ... + 390924.

It is an arithmetic number, because the mean of its divisors is an integer number (82654425).

Almost surely, 2^3221324040 is an apocalyptic number.

3221324040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221324040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5289883200).

3221324040 is an abundant number, since it is smaller than the sum of its proper divisors (7358442360).

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

3221324040 is a wasteful number, since it uses less digits than its factorization.

3221324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8647 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3221324040 is about 56756.7092069299. The cubic root of 3221324040 is about 1476.8786236203.

Adding to 3221324040 its reverse (404231223), we get a palindrome (3625555263).

The spelling of 3221324040 in words is "three billion, two hundred twenty-one million, three hundred twenty-four thousand, forty".