2228881518 has 24 divisors (see below), whose sum is σ = 4832814168. Its totient is φ = 742411152.

The previous prime is 2228881513. The next prime is 2228881519. The reversal of 2228881518 is 8151888222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228881513) 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 11 ways as a sum of consecutive naturals, for example, 20380 + ... + 69807.

It is an arithmetic number, because the mean of its divisors is an integer number (201367257).

Almost surely, 2^2228881518 is an apocalyptic number.

2228881518 is an abundant number, since it is smaller than the sum of its proper divisors (2603932650).

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

2228881518 is a wasteful number, since it uses less digits than its factorization.

2228881518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91568 (or 91565 counting only the distinct ones).

The product of its digits is 163840, while the sum is 45.

The square root of 2228881518 is about 47211.0317404735. The cubic root of 2228881518 is about 1306.2580935588.

The spelling of 2228881518 in words is "two billion, two hundred twenty-eight million, eight hundred eighty-one thousand, five hundred eighteen".