6822221540 has 48 divisors (see below), whose sum is σ = 14436576000. Its totient is φ = 2708036352.

The previous prime is 6822221519. The next prime is 6822221543. The reversal of 6822221540 is 451222286.

It is a junction number, because it is equal to n+sod(n) for n = 6822221497 and 6822221506.

It is not an unprimeable number, because it can be changed into a prime (6822221543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465136 + ... + 1469784.

It is an arithmetic number, because the mean of its divisors is an integer number (300762000).

Almost surely, 2^6822221540 is an apocalyptic number.

It is an amenable number.

6822221540 is an abundant number, since it is smaller than the sum of its proper divisors (7614354460).

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

6822221540 is a wasteful number, since it uses less digits than its factorization.

6822221540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204 (or 5202 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 6822221540 is about 82596.7404925884. The cubic root of 6822221540 is about 1896.5979323369.

It can be divided in two parts, 682 and 2221540, that added together give a palindrome (2222222).

The spelling of 6822221540 in words is "six billion, eight hundred twenty-two million, two hundred twenty-one thousand, five hundred forty".