2822118728 has 192 divisors, whose sum is σ = 6846456960. Its totient is φ = 1071360000.

The previous prime is 2822118703. The next prime is 2822118749. The reversal of 2822118728 is 8278112282.

It is a super-2 number, since 2×2822118728² = 15928708229856675968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18689453 + ... + 18689603.

It is an arithmetic number, because the mean of its divisors is an integer number (35658630).

Almost surely, 2^2822118728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2822118728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3423228480).

2822118728 is an abundant number, since it is smaller than the sum of its proper divisors (4024338232).

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

2822118728 is a wasteful number, since it uses less digits than its factorization.

2822118728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 225 counting only the distinct ones).

The product of its digits is 57344, while the sum is 41.

The square root of 2822118728 is about 53123.6174220092. The cubic root of 2822118728 is about 1413.1613802807.

The spelling of 2822118728 in words is "two billion, eight hundred twenty-two million, one hundred eighteen thousand, seven hundred twenty-eight".