2788109226 has 48 divisors (see below), whose sum is σ = 6911611200. Its totient is φ = 795711744.

The previous prime is 2788109209. The next prime is 2788109227. The reversal of 2788109226 is 6229018872.

It is a super-2 number, since 2×2788109226² = 15547106112212638152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2788109227) 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, 105145 + ... + 128963.

It is an arithmetic number, because the mean of its divisors is an integer number (143991900).

Almost surely, 2^2788109226 is an apocalyptic number.

2788109226 is an abundant number, since it is smaller than the sum of its proper divisors (4123501974).

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

2788109226 is a wasteful number, since it uses less digits than its factorization.

2788109226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24763 (or 24760 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2788109226 is about 52802.5494270873. The cubic root of 2788109226 is about 1407.4617288236.

The spelling of 2788109226 in words is "two billion, seven hundred eighty-eight million, one hundred nine thousand, two hundred twenty-six".