4478919822 has 48 divisors (see below), whose sum is σ = 10505634048. Its totient is φ = 1370900160.

The previous prime is 4478919821. The next prime is 4478919839. The reversal of 4478919822 is 2289198744.

4478919822 is a `hidden beast` number, since 4 + 478 + 91 + 9 + 82 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478919821) 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 23 ways as a sum of consecutive naturals, for example, 5413 + ... + 94800.

It is an arithmetic number, because the mean of its divisors is an integer number (218867376).

Almost surely, 2^4478919822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4478919822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5252817024).

4478919822 is an abundant number, since it is smaller than the sum of its proper divisors (6026714226).

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

4478919822 is a wasteful number, since it uses less digits than its factorization.

4478919822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100425 (or 100422 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 4478919822 is about 66924.7325134737. The cubic root of 4478919822 is about 1648.3816175559.

The spelling of 4478919822 in words is "four billion, four hundred seventy-eight million, nine hundred nineteen thousand, eight hundred twenty-two".