228977331841 has 16 divisors (see below), whose sum is σ = 240756476544. Its totient is φ = 217354161024.

The previous prime is 228977331829. The next prime is 228977331857. The reversal of 228977331841 is 148133779822.

It is a cyclic number.

It is not a de Polignac number, because 228977331841 - 2²⁵ = 228943777409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228977331871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2492965 + ... + 2583181.

It is an arithmetic number, because the mean of its divisors is an integer number (15047279784).

Almost surely, 2^228977331841 is an apocalyptic number.

It is an amenable number.

228977331841 is a deficient number, since it is larger than the sum of its proper divisors (11779144703).

228977331841 is a wasteful number, since it uses less digits than its factorization.

228977331841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91080.

The product of its digits is 4064256, while the sum is 55.

The spelling of 228977331841 in words is "two hundred twenty-eight billion, nine hundred seventy-seven million, three hundred thirty-one thousand, eight hundred forty-one".