228144878 has 8 divisors (see below), whose sum is σ = 368541768. Its totient is φ = 105297624.

The previous prime is 228144871. The next prime is 228144893. The reversal of 228144878 is 878441822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144871) 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 3 ways as a sum of consecutive naturals, for example, 4387376 + ... + 4387427.

It is an arithmetic number, because the mean of its divisors is an integer number (46067721).

Almost surely, 2^228144878 is an apocalyptic number.

228144878 is a deficient number, since it is larger than the sum of its proper divisors (140396890).

228144878 is a wasteful number, since it uses less digits than its factorization.

228144878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774818.

The product of its digits is 229376, while the sum is 44.

The square root of 228144878 is about 15104.4654986530. The cubic root of 228144878 is about 611.0408441547.

The spelling of 228144878 in words is "two hundred twenty-eight million, one hundred forty-four thousand, eight hundred seventy-eight".