228315855 has 16 divisors (see below), whose sum is σ = 366559200. Its totient is φ = 121350528.

The previous prime is 228315847. The next prime is 228315859. The reversal of 228315855 is 558513822.

It is not a de Polignac number, because 228315855 - 2³ = 228315847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228315859) 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, 21580 + ... + 30369.

It is an arithmetic number, because the mean of its divisors is an integer number (22909950).

Almost surely, 2^228315855 is an apocalyptic number.

228315855 is a deficient number, since it is larger than the sum of its proper divisors (138243345).

228315855 is a wasteful number, since it uses less digits than its factorization.

228315855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52250.

The product of its digits is 96000, while the sum is 39.

The square root of 228315855 is about 15110.1242549491. The cubic root of 228315855 is about 611.1934487099.

The spelling of 228315855 in words is "two hundred twenty-eight million, three hundred fifteen thousand, eight hundred fifty-five".