228161183 has 8 divisors (see below), whose sum is σ = 236368800. Its totient is φ = 219976288.

The previous prime is 228161161. The next prime is 228161189. The reversal of 228161183 is 381161822.

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

It is a cyclic number.

It is not a de Polignac number, because 228161183 - 2⁶ = 228161119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228161189) 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, 16253 + ... + 26841.

It is an arithmetic number, because the mean of its divisors is an integer number (29546100).

Almost surely, 2^228161183 is an apocalyptic number.

228161183 is a deficient number, since it is larger than the sum of its proper divisors (8207617).

228161183 is a wasteful number, since it uses less digits than its factorization.

228161183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361.

The product of its digits is 4608, while the sum is 32.

The square root of 228161183 is about 15105.0052300554. The cubic root of 228161183 is about 611.0554003784.

The spelling of 228161183 in words is "two hundred twenty-eight million, one hundred sixty-one thousand, one hundred eighty-three".