3228210640 has 80 divisors (see below), whose sum is σ = 7577640000. Its totient is φ = 1278959616.

The previous prime is 3228210593. The next prime is 3228210659. The reversal of 3228210640 is 460128223.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3228210599 and 3228210608.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6469111 + ... + 6469609.

It is an arithmetic number, because the mean of its divisors is an integer number (94720500).

Almost surely, 2^3228210640 is an apocalyptic number.

It is an amenable number.

3228210640 is an abundant number, since it is smaller than the sum of its proper divisors (4349429360).

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

3228210640 is a wasteful number, since it uses less digits than its factorization.

3228210640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3228210640 is about 56817.3445349217. The cubic root of 3228210640 is about 1477.9303064192.

Adding to 3228210640 its reverse (460128223), we get a palindrome (3688338863).

The spelling of 3228210640 in words is "three billion, two hundred twenty-eight million, two hundred ten thousand, six hundred forty".