228177855 has 24 divisors (see below), whose sum is σ = 398174400. Its totient is φ = 120874560.

The previous prime is 228177847. The next prime is 228177889. The reversal of 228177855 is 558771822.

It is not a de Polignac number, because 228177855 - 2³ = 228177847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 228177855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10311 + ... + 23720.

It is an arithmetic number, because the mean of its divisors is an integer number (16590600).

Almost surely, 2^228177855 is an apocalyptic number.

228177855 is a deficient number, since it is larger than the sum of its proper divisors (169996545).

228177855 is a wasteful number, since it uses less digits than its factorization.

228177855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191 (or 34188 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 228177855 is about 15105.5570900248. The cubic root of 228177855 is about 611.0702835228.

The spelling of 228177855 in words is "two hundred twenty-eight million, one hundred seventy-seven thousand, eight hundred fifty-five".