2279784957228 has 36 divisors (see below), whose sum is σ = 6101777387160. Its totient is φ = 715226653056.

The previous prime is 2279784957209. The next prime is 2279784957253. The reversal of 2279784957228 is 8227594879722.

2279784957228 is a `hidden beast` number, since 2 + 2 + 7 + 9 + 7 + 8 + 49 + 572 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1862568798 + ... + 1862570021.

It is an arithmetic number, because the mean of its divisors is an integer number (169493816310).

Almost surely, 2^{2279784957228} is an apocalyptic number.

It is an amenable number.

2279784957228 is an abundant number, since it is smaller than the sum of its proper divisors (3821992429932).

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

2279784957228 is a wasteful number, since it uses less digits than its factorization.

2279784957228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725138846 (or 3725138841 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 72.

The spelling of 2279784957228 in words is "two trillion, two hundred seventy-nine billion, seven hundred eighty-four million, nine hundred fifty-seven thousand, two hundred twenty-eight".