228212499100 has 18 divisors (see below), whose sum is σ = 495221123264. Its totient is φ = 91284999600.

The previous prime is 228212499079. The next prime is 228212499113. The reversal of 228212499100 is 1994212822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1141062396 + ... + 1141062595.

Almost surely, 2^228212499100 is an apocalyptic number.

228212499100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228212499100 is an abundant number, since it is smaller than the sum of its proper divisors (267008624164).

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

228212499100 is a wasteful number, since it uses less digits than its factorization.

228212499100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282125005 (or 2282124998 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 228212499100 in words is "two hundred twenty-eight billion, two hundred twelve million, four hundred ninety-nine thousand, one hundred".