3220612533 has 12 divisors (see below), whose sum is σ = 4652487840. Its totient is φ = 2146847976.

The previous prime is 3220612529. The next prime is 3220612541. The reversal of 3220612533 is 3352160223.

It is not a de Polignac number, because 3220612533 - 2² = 3220612529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220612497 and 3220612506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220619533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157048 + ... + 176366.

It is an arithmetic number, because the mean of its divisors is an integer number (387707320).

Almost surely, 2^3220612533 is an apocalyptic number.

It is an amenable number.

3220612533 is a deficient number, since it is larger than the sum of its proper divisors (1431875307).

3220612533 is a wasteful number, since it uses less digits than its factorization.

3220612533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37848 (or 37845 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3220612533 is about 56750.4408176712. The cubic root of 3220612533 is about 1476.7698808755.

Adding to 3220612533 its reverse (3352160223), we get a palindrome (6572772756).

The spelling of 3220612533 in words is "three billion, two hundred twenty million, six hundred twelve thousand, five hundred thirty-three".