3220055564 has 24 divisors (see below), whose sum is σ = 6149575488. Its totient is φ = 1463138640.

The previous prime is 3220055479. The next prime is 3220055569. The reversal of 3220055564 is 4655500223.

It is a self number, because there is not a number n which added to its sum of digits gives 3220055564.

It is not an unprimeable number, because it can be changed into a prime (3220055569) 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, 128747 + ... + 151709.

It is an arithmetic number, because the mean of its divisors is an integer number (256232312).

Almost surely, 2^3220055564 is an apocalyptic number.

It is an amenable number.

3220055564 is a deficient number, since it is larger than the sum of its proper divisors (2929519924).

3220055564 is a wasteful number, since it uses less digits than its factorization.

3220055564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26165 (or 26163 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 3220055564 is about 56745.5334277509. The cubic root of 3220055564 is about 1476.6847456769.

Adding to 3220055564 its reverse (4655500223), we get a palindrome (7875555787).

The spelling of 3220055564 in words is "three billion, two hundred twenty million, fifty-five thousand, five hundred sixty-four".