228162843 has 6 divisors (see below), whose sum is σ = 329568564. Its totient is φ = 152108556.

The previous prime is 228162793. The next prime is 228162871. The reversal of 228162843 is 348261822.

228162843 is a `hidden beast` number, since 2 + 28 + 1 + 628 + 4 + 3 = 666.

It is not a de Polignac number, because 228162843 - 2¹⁶ = 228097307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228162798 and 228162807.

It is not an unprimeable number, because it can be changed into a prime (228162043) 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 5 ways as a sum of consecutive naturals, for example, 12675705 + ... + 12675722.

It is an arithmetic number, because the mean of its divisors is an integer number (54928094).

Almost surely, 2^228162843 is an apocalyptic number.

228162843 is a deficient number, since it is larger than the sum of its proper divisors (101405721).

228162843 is a wasteful number, since it uses less digits than its factorization.

228162843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25351433 (or 25351430 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 228162843 is about 15105.0601786289. The cubic root of 228162843 is about 611.0568822979.

The spelling of 228162843 in words is "two hundred twenty-eight million, one hundred sixty-two thousand, eight hundred forty-three".