3220613652 has 12 divisors (see below), whose sum is σ = 7514765216. Its totient is φ = 1073537880.

The previous prime is 3220613633. The next prime is 3220613659. The reversal of 3220613652 is 2563160223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220613659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134192224 + ... + 134192247.

Almost surely, 2^3220613652 is an apocalyptic number.

It is an amenable number.

3220613652 is an abundant number, since it is smaller than the sum of its proper divisors (4294151564).

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

3220613652 is a wasteful number, since it uses less digits than its factorization.

3220613652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268384478 (or 268384476 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3220613652 is about 56750.4506766246. The cubic root of 3220613652 is about 1476.7700519098.

Adding to 3220613652 its reverse (2563160223), we get a palindrome (5783773875).

The spelling of 3220613652 in words is "three billion, two hundred twenty million, six hundred thirteen thousand, six hundred fifty-two".