228143579932 has 18 divisors (see below), whose sum is σ = 417364747688. Its totient is φ = 109112145912.

The previous prime is 228143579927. The next prime is 228143579947. The reversal of 228143579932 is 239975341822.

228143579932 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 53907048 + ... + 53911279.

Almost surely, 2^228143579932 is an apocalyptic number.

It is an amenable number.

228143579932 is a deficient number, since it is larger than the sum of its proper divisors (189221167756).

228143579932 is a wasteful number, since it uses less digits than its factorization.

228143579932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107818377 (or 107818352 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 228143579932 in words is "two hundred twenty-eight billion, one hundred forty-three million, five hundred seventy-nine thousand, nine hundred thirty-two".