2228043918 has 16 divisors (see below), whose sum is σ = 4457209680. Its totient is φ = 742494336.

The previous prime is 2228043899. The next prime is 2228043947. The reversal of 2228043918 is 8193408222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19723 + ... + 69606.

It is an arithmetic number, because the mean of its divisors is an integer number (278575605).

Almost surely, 2^2228043918 is an apocalyptic number.

2228043918 is an abundant number, since it is smaller than the sum of its proper divisors (2229165762).

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

2228043918 is a wasteful number, since it uses less digits than its factorization.

2228043918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93491.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2228043918 is about 47202.1600988768. The cubic root of 2228043918 is about 1306.0944451319.

The spelling of 2228043918 in words is "two billion, two hundred twenty-eight million, forty-three thousand, nine hundred eighteen".