2288548644 has 12 divisors (see below), whose sum is σ = 5339946864. Its totient is φ = 762849544.

The previous prime is 2288548643. The next prime is 2288548649. The reversal of 2288548644 is 4468458822.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2288548643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95356182 + ... + 95356205.

It is an arithmetic number, because the mean of its divisors is an integer number (444995572).

Almost surely, 2^2288548644 is an apocalyptic number.

It is an amenable number.

2288548644 is an abundant number, since it is smaller than the sum of its proper divisors (3051398220).

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

2288548644 is a wasteful number, since it uses less digits than its factorization.

2288548644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190712394 (or 190712392 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 51.

The square root of 2288548644 is about 47838.7776181624. Note that the first 3 decimals coincide. The cubic root of 2288548644 is about 1317.8117716250.

The spelling of 2288548644 in words is "two billion, two hundred eighty-eight million, five hundred forty-eight thousand, six hundred forty-four".