228143182 has 8 divisors (see below), whose sum is σ = 344481552. Its totient is φ = 113316000.

The previous prime is 228143129. The next prime is 228143189. The reversal of 228143182 is 281341822.

It is a happy number.

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

It is a super-2 number, since 2×228143182² = 104098622986170248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228143189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377419 + ... + 378022.

It is an arithmetic number, because the mean of its divisors is an integer number (43060194).

Almost surely, 2^228143182 is an apocalyptic number.

228143182 is a deficient number, since it is larger than the sum of its proper divisors (116338370).

228143182 is a wasteful number, since it uses less digits than its factorization.

228143182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755594.

The product of its digits is 6144, while the sum is 31.

The square root of 228143182 is about 15104.4093562112. The cubic root of 228143182 is about 611.0393300177.

The spelling of 228143182 in words is "two hundred twenty-eight million, one hundred forty-three thousand, one hundred eighty-two".