2279804825 has 24 divisors (see below), whose sum is σ = 2862077976. Its totient is φ = 1801280000.

The previous prime is 2279804797. The next prime is 2279804843. The reversal of 2279804825 is 5284089722.

It can be written as a sum of positive squares in 12 ways, for example, as 313148416 + 1966656409 = 17696^2 + 44347^2 .

It is not a de Polignac number, because 2279804825 - 2¹⁶ = 2279739289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2279804825.

It is an unprimeable number.

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, 1314659 + ... + 1316391.

It is an arithmetic number, because the mean of its divisors is an integer number (119253249).

Almost surely, 2^2279804825 is an apocalyptic number.

2279804825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2279804825 is a deficient number, since it is larger than the sum of its proper divisors (582273151).

2279804825 is a wasteful number, since it uses less digits than its factorization.

2279804825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2279804825 is about 47747.3017562249. The cubic root of 2279804825 is about 1316.1313159445.

The spelling of 2279804825 in words is "two billion, two hundred seventy-nine million, eight hundred four thousand, eight hundred twenty-five".