228381204482 has 18 divisors (see below), whose sum is σ = 352119293883. Its totient is φ = 111092204592.

The previous prime is 228381204473. The next prime is 228381204503. The reversal of 228381204482 is 284402183822.

It can be written as a sum of positive squares in 5 ways, for example, as 228360692641 + 20511841 = 477871^2 + 4529^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337921.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25001588 + ... + 25010720.

Almost surely, 2^228381204482 is an apocalyptic number.

228381204482 is a deficient number, since it is larger than the sum of its proper divisors (123738089401).

228381204482 is an frugal number, since it uses more digits than its factorization.

228381204482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342 (or 9172 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 228381204482 in words is "two hundred twenty-eight billion, three hundred eighty-one million, two hundred four thousand, four hundred eighty-two".