228347855 has 8 divisors (see below), whose sum is σ = 279847872. Its totient is φ = 178791328.

The previous prime is 228347851. The next prime is 228347863. The reversal of 228347855 is 558743822.

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 228347855 - 2² = 228347851 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 (228347851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485612 + ... + 486081.

It is an arithmetic number, because the mean of its divisors is an integer number (34980984).

Almost surely, 2^228347855 is an apocalyptic number.

228347855 is a deficient number, since it is larger than the sum of its proper divisors (51500017).

228347855 is an equidigital number, since it uses as much as digits as its factorization.

228347855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971745.

The product of its digits is 537600, while the sum is 44.

The square root of 228347855 is about 15111.1831105311. The cubic root of 228347855 is about 611.2220016645. Note that the first 3 decimals are identical.

The spelling of 228347855 in words is "two hundred twenty-eight million, three hundred forty-seven thousand, eight hundred fifty-five".