3220536460 has 12 divisors (see below), whose sum is σ = 6763126608. Its totient is φ = 1288214576.

The previous prime is 3220536443. The next prime is 3220536509. The reversal of 3220536460 is 646350223.

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, 80513392 + ... + 80513431.

It is an arithmetic number, because the mean of its divisors is an integer number (563593884).

Almost surely, 2^3220536460 is an apocalyptic number.

It is an amenable number.

3220536460 is an abundant number, since it is smaller than the sum of its proper divisors (3542590148).

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

3220536460 is a wasteful number, since it uses less digits than its factorization.

3220536460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161026832 (or 161026830 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3220536460 is about 56749.7705722235. The cubic root of 3220536460 is about 1476.7582533566.

Adding to 3220536460 its reverse (646350223), we get a palindrome (3866886683).

The spelling of 3220536460 in words is "three billion, two hundred twenty million, five hundred thirty-six thousand, four hundred sixty".