3221064576 has 64 divisors (see below), whose sum is σ = 9506624400. Its totient is φ = 1073687040.

The previous prime is 3221064541. The next prime is 3221064577. The reversal of 3221064576 is 6754601223.

3221064576 is a `hidden beast` number, since 3 + 2 + 2 + 1 + 0 + 645 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3221064576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221064577) 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 7 ways as a sum of consecutive naturals, for example, 462555 + ... + 469466.

Almost surely, 2^3221064576 is an apocalyptic number.

3221064576 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3221064576 is an abundant number, since it is smaller than the sum of its proper divisors (6285559824).

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

3221064576 is an equidigital number, since it uses as much as digits as its factorization.

3221064576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932044 (or 932026 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3221064576 is about 56754.4234047004. The cubic root of 3221064576 is about 1476.8389704509.

Adding to 3221064576 its reverse (6754601223), we get a palindrome (9975665799).

The spelling of 3221064576 in words is "three billion, two hundred twenty-one million, sixty-four thousand, five hundred seventy-six".