2278189248 has 56 divisors (see below), whose sum is σ = 6095481840. Its totient is φ = 750858240.

The previous prime is 2278189247. The next prime is 2278189267. The reversal of 2278189248 is 8429818722.

It is a self number, because there is not a number n which added to its sum of digits gives 2278189248.

It is not an unprimeable number, because it can be changed into a prime (2278189247) 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 7 ways as a sum of consecutive naturals, for example, 49573 + ... + 83748.

It is an arithmetic number, because the mean of its divisors is an integer number (108847890).

Almost surely, 2^2278189248 is an apocalyptic number.

It is an amenable number.

2278189248 is an abundant number, since it is smaller than the sum of its proper divisors (3817292592).

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

2278189248 is a wasteful number, since it uses less digits than its factorization.

2278189248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133425 (or 133415 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 2278189248 is about 47730.3807652946. The cubic root of 2278189248 is about 1315.8203516131.

The spelling of 2278189248 in words is "two billion, two hundred seventy-eight million, one hundred eighty-nine thousand, two hundred forty-eight".