2798819225 has 48 divisors (see below), whose sum is σ = 3884126400. Its totient is φ = 1988167680.

The previous prime is 2798819209. The next prime is 2798819227. The reversal of 2798819225 is 5229188972.

It is not a de Polignac number, because 2798819225 - 2⁴ = 2798819209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2798819227) 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 47 ways as a sum of consecutive naturals, for example, 2478461 + ... + 2479589.

It is an arithmetic number, because the mean of its divisors is an integer number (80919300).

Almost surely, 2^2798819225 is an apocalyptic number.

2798819225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2798819225 is a deficient number, since it is larger than the sum of its proper divisors (1085307175).

2798819225 is a wasteful number, since it uses less digits than its factorization.

2798819225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1477 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The square root of 2798819225 is about 52903.8677697576. The cubic root of 2798819225 is about 1409.2615929810.

The spelling of 2798819225 in words is "two billion, seven hundred ninety-eight million, eight hundred nineteen thousand, two hundred twenty-five".