3221550552 has 32 divisors (see below), whose sum is σ = 8786047680. Its totient is φ = 976227360.

The previous prime is 3221550551. The next prime is 3221550557. The reversal of 3221550552 is 2550551223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221550551) by changing a digit.

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, 6101158 + ... + 6101685.

It is an arithmetic number, because the mean of its divisors is an integer number (274563990).

Almost surely, 2^3221550552 is an apocalyptic number.

It is an amenable number.

3221550552 is an abundant number, since it is smaller than the sum of its proper divisors (5564497128).

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

3221550552 is a wasteful number, since it uses less digits than its factorization.

3221550552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202863 (or 12202859 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 3221550552 is about 56758.7046363815. The cubic root of 3221550552 is about 1476.9132390854.

The spelling of 3221550552 in words is "three billion, two hundred twenty-one million, five hundred fifty thousand, five hundred fifty-two".