6222044040 has 128 divisors (see below), whose sum is σ = 18967253760. Its totient is φ = 1632559104.

The previous prime is 6222044039. The next prime is 6222044053. The reversal of 6222044040 is 404402226.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6222044040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6368032 + ... + 6369008.

It is an arithmetic number, because the mean of its divisors is an integer number (148181670).

Almost surely, 2^6222044040 is an apocalyptic number.

6222044040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6222044040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9483626880).

6222044040 is an abundant number, since it is smaller than the sum of its proper divisors (12745209720).

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

6222044040 is a wasteful number, since it uses less digits than its factorization.

6222044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 6222044040 is about 78879.9343306015. The cubic root of 6222044040 is about 1839.2652272565.

Adding to 6222044040 its reverse (404402226), we get a palindrome (6626446266).

The spelling of 6222044040 in words is "six billion, two hundred twenty-two million, forty-four thousand, forty".