228180912 has 40 divisors (see below), whose sum is σ = 590264304. Its totient is φ = 75957504.

The previous prime is 228180893. The next prime is 228180913. The reversal of 228180912 is 219081822.

228180912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228180913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38158 + ... + 43730.

Almost surely, 2^228180912 is an apocalyptic number.

It is an amenable number.

228180912 is an abundant number, since it is smaller than the sum of its proper divisors (362083392).

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

228180912 is a wasteful number, since it uses less digits than its factorization.

228180912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 228180912 is about 15105.6582776124. The cubic root of 228180912 is about 611.0730124372.

The spelling of 228180912 in words is "two hundred twenty-eight million, one hundred eighty thousand, nine hundred twelve".