2279745288 has 108 divisors (see below), whose sum is σ = 6578744445. Its totient is φ = 713053440.

The previous prime is 2279745277. The next prime is 2279745311. The reversal of 2279745288 is 8825479722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2279745288 is a `hidden beast` number, since 2 + 27 + 97 + 4 + 528 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2086479684 + 193265604 = 45678^2 + 13902^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6887283 + ... + 6887613.

Almost surely, 2^2279745288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2279745288

2279745288 is an abundant number, since it is smaller than the sum of its proper divisors (4298999157).

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

2279745288 is a wasteful number, since it uses less digits than its factorization.

2279745288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 353 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 2279745288 is about 47746.6782928404. The cubic root of 2279745288 is about 1316.1198589414.

The spelling of 2279745288 in words is "two billion, two hundred seventy-nine million, seven hundred forty-five thousand, two hundred eighty-eight".