228739541192 has 12 divisors (see below), whose sum is σ = 428889176145. Its totient is φ = 114369094224.

The previous prime is 228739541167. The next prime is 228739541197. The reversal of 228739541192 is 291145937822.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 133945752196 + 94793788996 = 365986^2 + 307886^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338186.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228739541197) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1268198 + ... + 1437290.

Almost surely, 2^228739541192 is an apocalyptic number.

It is an amenable number.

228739541192 is a deficient number, since it is larger than the sum of its proper divisors (200149634953).

228739541192 is an frugal number, since it uses more digits than its factorization.

228739541192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338192 (or 169095 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 228739541192 in words is "two hundred twenty-eight billion, seven hundred thirty-nine million, five hundred forty-one thousand, one hundred ninety-two".