228519225530 has 16 divisors (see below), whose sum is σ = 411575324040. Its totient is φ = 91354197312.

The previous prime is 228519225509. The next prime is 228519225547. The reversal of 228519225530 is 35522915822.

It can be written as a sum of positive squares in 4 ways, for example, as 135823942849 + 92695282681 = 368543^2 + 304459^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668669 + ... + 6702848.

Almost surely, 2^228519225530 is an apocalyptic number.

228519225530 is a deficient number, since it is larger than the sum of its proper divisors (183056098510).

228519225530 is a wasteful number, since it uses less digits than its factorization.

228519225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373233.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 228519225530 in words is "two hundred twenty-eight billion, five hundred nineteen million, two hundred twenty-five thousand, five hundred thirty".