228350188 has 24 divisors (see below), whose sum is σ = 461586384. Its totient is φ = 97689600.

The previous prime is 228350183. The next prime is 228350209. The reversal of 228350188 is 881053822.

It is not an unprimeable number, because it can be changed into a prime (228350183) 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, 151893 + ... + 153388.

It is an arithmetic number, because the mean of its divisors is an integer number (19232766).

Almost surely, 2^228350188 is an apocalyptic number.

It is an amenable number.

228350188 is an abundant number, since it is smaller than the sum of its proper divisors (233236196).

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

228350188 is a wasteful number, since it uses less digits than its factorization.

228350188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305313 (or 305311 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 228350188 is about 15111.2603048191. The cubic root of 228350188 is about 611.2240832490.

The spelling of 228350188 in words is "two hundred twenty-eight million, three hundred fifty thousand, one hundred eighty-eight".