3221113240 has 16 divisors (see below), whose sum is σ = 7247504880. Its totient is φ = 1288445280.

The previous prime is 3221113229. The next prime is 3221113243. The reversal of 3221113240 is 423111223.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221113243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40263876 + ... + 40263955.

It is an arithmetic number, because the mean of its divisors is an integer number (452969055).

Almost surely, 2^3221113240 is an apocalyptic number.

It is an amenable number.

3221113240 is an abundant number, since it is smaller than the sum of its proper divisors (4026391640).

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

3221113240 is a wasteful number, since it uses less digits than its factorization.

3221113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80527842 (or 80527838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3221113240 is about 56754.8521273732. The cubic root of 3221113240 is about 1476.8464077984.

Adding to 3221113240 its reverse (423111223), we get a palindrome (3644224463).

It can be divided in two parts, 32211 and 13240, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 3221113240 in words is "three billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred forty".