228545855 has 8 divisors (see below), whose sum is σ = 281667552. Its totient is φ = 177895008.

The previous prime is 228545831. The next prime is 228545869. The reversal of 228545855 is 558545822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228545855 - 2⁸ = 228545599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617507 + ... + 617876.

It is an arithmetic number, because the mean of its divisors is an integer number (35208444).

Almost surely, 2^228545855 is an apocalyptic number.

228545855 is a deficient number, since it is larger than the sum of its proper divisors (53121697).

228545855 is a wasteful number, since it uses less digits than its factorization.

228545855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235425.

The product of its digits is 640000, while the sum is 44.

The square root of 228545855 is about 15117.7331303341. The cubic root of 228545855 is about 611.3986137809.

The spelling of 228545855 in words is "two hundred twenty-eight million, five hundred forty-five thousand, eight hundred fifty-five".