3228310561 has 6 divisors (see below), whose sum is σ = 3755381730. Its totient is φ = 2767123296.

The previous prime is 3228310531. The next prime is 3228310601. The reversal of 3228310561 is 1650138223.

It can be written as a sum of positive squares in only one way, i.e., 2528178961 + 700131600 = 50281^2 + 26460^2 .

It is not a de Polignac number, because 3228310561 - 2⁵ = 3228310529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228310531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32941896 + ... + 32941993.

It is an arithmetic number, because the mean of its divisors is an integer number (625896955).

Almost surely, 2^3228310561 is an apocalyptic number.

It is an amenable number.

3228310561 is a deficient number, since it is larger than the sum of its proper divisors (527071169).

3228310561 is an equidigital number, since it uses as much as digits as its factorization.

3228310561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65883903 (or 65883896 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3228310561 is about 56818.2238458754. The cubic root of 3228310561 is about 1477.9455547788.

Adding to 3228310561 its reverse (1650138223), we get a palindrome (4878448784).

The spelling of 3228310561 in words is "three billion, two hundred twenty-eight million, three hundred ten thousand, five hundred sixty-one".