3221412540 has 24 divisors (see below), whose sum is σ = 9019955280. Its totient is φ = 859043328.

The previous prime is 3221412533. The next prime is 3221412577. The reversal of 3221412540 is 452141223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221412540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26845045 + ... + 26845164.

It is an arithmetic number, because the mean of its divisors is an integer number (375831470).

Almost surely, 2^3221412540 is an apocalyptic number.

3221412540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3221412540 is an abundant number, since it is smaller than the sum of its proper divisors (5798542740).

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

3221412540 is a wasteful number, since it uses less digits than its factorization.

3221412540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53690221 (or 53690219 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3221412540 is about 56757.4888450855. The cubic root of 3221412540 is about 1476.8921483449.

Adding to 3221412540 its reverse (452141223), we get a palindrome (3673553763).

The spelling of 3221412540 in words is "three billion, two hundred twenty-one million, four hundred twelve thousand, five hundred forty".