228578673522 has 8 divisors (see below), whose sum is σ = 457157347056. Its totient is φ = 76192891172.

The previous prime is 228578673511. The next prime is 228578673563. The reversal of 228578673522 is 225376875822.

228578673522 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.

228578673522 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048222788 + ... + 19048222799.

It is an arithmetic number, because the mean of its divisors is an integer number (57144668382).

Almost surely, 2^228578673522 is an apocalyptic number.

228578673522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228578673522 is a wasteful number, since it uses less digits than its factorization.

228578673522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38096445592.

The product of its digits is 22579200, while the sum is 57.

The spelling of 228578673522 in words is "two hundred twenty-eight billion, five hundred seventy-eight million, six hundred seventy-three thousand, five hundred twenty-two".