228838855 has 16 divisors (see below), whose sum is σ = 324659520. Its totient is φ = 151506432.

The previous prime is 228838801. The next prime is 228838859. The reversal of 228838855 is 558838822.

It is a de Polignac number, because none of the positive numbers 2^k-228838855 is a prime.

It is a super-2 number, since 2×228838855² = 104734443115422050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228838799 and 228838808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228838859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111714 + ... + 113743.

It is an arithmetic number, because the mean of its divisors is an integer number (20291220).

Almost surely, 2^228838855 is an apocalyptic number.

228838855 is a deficient number, since it is larger than the sum of its proper divisors (95820665).

228838855 is a wasteful number, since it uses less digits than its factorization.

228838855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225498.

The product of its digits is 1228800, while the sum is 49.

The square root of 228838855 is about 15127.4206327450. The cubic root of 228838855 is about 611.6597769726.

The spelling of 228838855 in words is "two hundred twenty-eight million, eight hundred thirty-eight thousand, eight hundred fifty-five".