228656878 has 8 divisors (see below), whose sum is σ = 347683968. Its totient is φ = 112762224.

The previous prime is 228656819. The next prime is 228656891. The reversal of 228656878 is 878656822.

228656878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782926 + ... + 783217.

It is an arithmetic number, because the mean of its divisors is an integer number (43460496).

Almost surely, 2^228656878 is an apocalyptic number.

228656878 is a deficient number, since it is larger than the sum of its proper divisors (119027090).

228656878 is a wasteful number, since it uses less digits than its factorization.

228656878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566218.

The product of its digits is 2580480, while the sum is 52.

The square root of 228656878 is about 15121.4046305229. The cubic root of 228656878 is about 611.4975994889.

The spelling of 228656878 in words is "two hundred twenty-eight million, six hundred fifty-six thousand, eight hundred seventy-eight".