228845306532 has 12 divisors (see below), whose sum is σ = 533972381936. Its totient is φ = 76281768840.

The previous prime is 228845306513. The next prime is 228845306533. The reversal of 228845306532 is 235603548822.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (228845306533) 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, 9535221094 + ... + 9535221117.

Almost surely, 2^228845306532 is an apocalyptic number.

It is an amenable number.

228845306532 is an abundant number, since it is smaller than the sum of its proper divisors (305127075404).

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

228845306532 is a wasteful number, since it uses less digits than its factorization.

228845306532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070442218 (or 19070442216 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 228845306532 in words is "two hundred twenty-eight billion, eight hundred forty-five million, three hundred six thousand, five hundred thirty-two".