228899510508 has 24 divisors (see below), whose sum is σ = 534135430080. Its totient is φ = 76294612240.

The previous prime is 228899510507. The next prime is 228899510537. The reversal of 228899510508 is 805015998822.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (228899510507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468438 + ... + 822941.

It is an arithmetic number, because the mean of its divisors is an integer number (22255642920).

Almost surely, 2^228899510508 is an apocalyptic number.

It is an amenable number.

228899510508 is an abundant number, since it is smaller than the sum of its proper divisors (305235919572).

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

228899510508 is a wasteful number, since it uses less digits than its factorization.

228899510508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306157 (or 1306155 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 228899510508 in words is "two hundred twenty-eight billion, eight hundred ninety-nine million, five hundred ten thousand, five hundred eight".