2805022116 has 144 divisors (see below), whose sum is σ = 7915965120. Its totient is φ = 858574080.

The previous prime is 2805022091. The next prime is 2805022123. The reversal of 2805022116 is 6112205082.

It is a happy number.

2805022116 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2805022116.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5712631 + ... + 5713121.

It is an arithmetic number, because the mean of its divisors is an integer number (54971980).

Almost surely, 2^2805022116 is an apocalyptic number.

2805022116 is a gapful number since it is divisible by the number (26) 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 2805022116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3957982560).

2805022116 is an abundant number, since it is smaller than the sum of its proper divisors (5110943004).

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

2805022116 is a wasteful number, since it uses less digits than its factorization.

2805022116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2805022116 is about 52962.4594972703. The cubic root of 2805022116 is about 1410.3019181444.

Adding to 2805022116 its reverse (6112205082), we get a palindrome (8917227198).

The spelling of 2805022116 in words is "two billion, eight hundred five million, twenty-two thousand, one hundred sixteen".