228220348332 has 12 divisors (see below), whose sum is σ = 532514146136. Its totient is φ = 76073449440.

The previous prime is 228220348331. The next prime is 228220348361. The reversal of 228220348332 is 233843022822.

228220348332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (228220348331) 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, 9509181169 + ... + 9509181192.

Almost surely, 2^228220348332 is an apocalyptic number.

It is an amenable number.

228220348332 is an abundant number, since it is smaller than the sum of its proper divisors (304293797804).

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

228220348332 is a wasteful number, since it uses less digits than its factorization.

228220348332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018362368 (or 19018362366 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 228220348332 in words is "two hundred twenty-eight billion, two hundred twenty million, three hundred forty-eight thousand, three hundred thirty-two".