228147877 has 4 divisors (see below), whose sum is σ = 240155680. Its totient is φ = 216140076.

The previous prime is 228147859. The next prime is 228147889. The reversal of 228147877 is 778741822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778741822 = 2 ⋅389370911.

It is a cyclic number.

It is not a de Polignac number, because 228147877 - 2¹⁵ = 228115109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6003873 + ... + 6003910.

It is an arithmetic number, because the mean of its divisors is an integer number (60038920).

Almost surely, 2^228147877 is an apocalyptic number.

It is an amenable number.

228147877 is a deficient number, since it is larger than the sum of its proper divisors (12007803).

228147877 is a wasteful number, since it uses less digits than its factorization.

228147877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007802.

The product of its digits is 351232, while the sum is 46.

The square root of 228147877 is about 15104.5647736040. The cubic root of 228147877 is about 611.0435215520.

The spelling of 228147877 in words is "two hundred twenty-eight million, one hundred forty-seven thousand, eight hundred seventy-seven".