3220624331 has 8 divisors (see below), whose sum is σ = 3234384384. Its totient is φ = 3206886120.

The previous prime is 3220624271. The next prime is 3220624357. The reversal of 3220624331 is 1334260223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220624331 is a prime.

It is a super-2 number, since 2×3220624331² = 20744842162858395122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220624331.

It is not an unprimeable number, because it can be changed into a prime (3220624391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333866 + ... + 343376.

It is an arithmetic number, because the mean of its divisors is an integer number (404298048).

Almost surely, 2^3220624331 is an apocalyptic number.

3220624331 is a deficient number, since it is larger than the sum of its proper divisors (13760053).

3220624331 is a wasteful number, since it uses less digits than its factorization.

3220624331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3220624331 is about 56750.5447639051. The cubic root of 3220624331 is about 1476.7716841463.

Adding to 3220624331 its reverse (1334260223), we get a palindrome (4554884554).

The spelling of 3220624331 in words is "three billion, two hundred twenty million, six hundred twenty-four thousand, three hundred thirty-one".