228216183 has 8 divisors (see below), whose sum is σ = 327695088. Its totient is φ = 140440704.

The previous prime is 228216151. The next prime is 228216187. The reversal of 228216183 is 381612822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228216183 - 2⁵ = 228216151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228216187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2925810 + ... + 2925887.

It is an arithmetic number, because the mean of its divisors is an integer number (40961886).

Almost surely, 2^228216183 is an apocalyptic number.

228216183 is a deficient number, since it is larger than the sum of its proper divisors (99478905).

228216183 is a wasteful number, since it uses less digits than its factorization.

228216183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851713.

The product of its digits is 9216, while the sum is 33.

The square root of 228216183 is about 15106.8257089304. The cubic root of 228216183 is about 611.1044962945.

The spelling of 228216183 in words is "two hundred twenty-eight million, two hundred sixteen thousand, one hundred eighty-three".