3221124040 has 32 divisors (see below), whose sum is σ = 7249148280. Its totient is φ = 1288161792.

The previous prime is 3221124019. The next prime is 3221124043. The reversal of 3221124040 is 404211223.

It can be written as a sum of positive squares in 4 ways, for example, as 2940025284 + 281098756 = 54222^2 + 16766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3221123999 and 3221124017.

It is not an unprimeable number, because it can be changed into a prime (3221124043) 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, 330274 + ... + 339886.

Almost surely, 2^3221124040 is an apocalyptic number.

It is an amenable number.

3221124040 is an abundant number, since it is smaller than the sum of its proper divisors (4028024240).

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

3221124040 is a wasteful number, since it uses less digits than its factorization.

3221124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18001 (or 17997 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3221124040 is about 56754.9472733435. The cubic root of 3221124040 is about 1476.8480583585.

Adding to 3221124040 its reverse (404211223), we get a palindrome (3625335263).

The spelling of 3221124040 in words is "three billion, two hundred twenty-one million, one hundred twenty-four thousand, forty".