2279808825 has 48 divisors (see below), whose sum is σ = 4321913856. Its totient is φ = 1038772800.

The previous prime is 2279808823. The next prime is 2279808847. The reversal of 2279808825 is 5288089722.

It is not a de Polignac number, because 2279808825 - 2¹ = 2279808823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2279808823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156294 + ... + 170256.

It is an arithmetic number, because the mean of its divisors is an integer number (90039872).

Almost surely, 2^2279808825 is an apocalyptic number.

2279808825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2279808825 is a deficient number, since it is larger than the sum of its proper divisors (2042105031).

2279808825 is a wasteful number, since it uses less digits than its factorization.

2279808825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14294 (or 14289 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 2279808825 is about 47747.3436433903. The cubic root of 2279808825 is about 1316.1320856773.

The spelling of 2279808825 in words is "two billion, two hundred seventy-nine million, eight hundred eight thousand, eight hundred twenty-five".