228817083712 has 28 divisors (see below), whose sum is σ = 518924458720. Its totient is φ = 98064464256.

The previous prime is 228817083709. The next prime is 228817083739. The reversal of 228817083712 is 217380718822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255375762 + ... + 255376657.

Almost surely, 2^228817083712 is an apocalyptic number.

It is an amenable number.

228817083712 is an abundant number, since it is smaller than the sum of its proper divisors (290107375008).

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

228817083712 is an equidigital number, since it uses as much as digits as its factorization.

228817083712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510752438 (or 510752428 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 228817083712 in words is "two hundred twenty-eight billion, eight hundred seventeen million, eighty-three thousand, seven hundred twelve".