228989867282 has 54 divisors (see below), whose sum is σ = 398712544839. Its totient is φ = 98547170040.

The previous prime is 228989867279. The next prime is 228989867291. The reversal of 228989867282 is 282768989822.

It can be written as a sum of positive squares in only one way, i.e., 114494933641 + 114494933641 = 338371^2 + 338371^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338371.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 141438269 + ... + 141439887.

Almost surely, 2^228989867282 is an apocalyptic number.

228989867282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228989867282 is a deficient number, since it is larger than the sum of its proper divisors (169722677557).

228989867282 is an equidigital number, since it uses as much as digits as its factorization.

228989867282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 1651 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 71.

The spelling of 228989867282 in words is "two hundred twenty-eight billion, nine hundred eighty-nine million, eight hundred sixty-seven thousand, two hundred eighty-two".