6622815320 has 32 divisors (see below), whose sum is σ = 16256002320. Its totient is φ = 2408296320.

The previous prime is 6622815317. The next prime is 6622815361. The reversal of 6622815320 is 235182266.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7525487 + ... + 7526366.

Almost surely, 2^6622815320 is an apocalyptic number.

It is an amenable number.

6622815320 is an abundant number, since it is smaller than the sum of its proper divisors (9633187000).

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

6622815320 is a wasteful number, since it uses less digits than its factorization.

6622815320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051875 (or 15051871 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6622815320 is about 81380.6814913712. The cubic root of 6622815320 is about 1877.9364070585.

Adding to 6622815320 its reverse (235182266), we get a palindrome (6857997586).

The spelling of 6622815320 in words is "six billion, six hundred twenty-two million, eight hundred fifteen thousand, three hundred twenty".