228915778232 has 16 divisors (see below), whose sum is σ = 429251421600. Its totient is φ = 114448732480.

The previous prime is 228915778199. The next prime is 228915778237. The reversal of 228915778232 is 232877519822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228915778237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037744 + ... + 1238847.

It is an arithmetic number, because the mean of its divisors is an integer number (26828213850).

Almost surely, 2^228915778232 is an apocalyptic number.

It is an amenable number.

228915778232 is a deficient number, since it is larger than the sum of its proper divisors (200335643368).

228915778232 is a wasteful number, since it uses less digits than its factorization.

228915778232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289166 (or 2289162 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 228915778232 in words is "two hundred twenty-eight billion, nine hundred fifteen million, seven hundred seventy-eight thousand, two hundred thirty-two".