228633118 has 24 divisors (see below), whose sum is σ = 419941800. Its totient is φ = 92827728.

The previous prime is 228633113. The next prime is 228633131. The reversal of 228633118 is 811336822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228633113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59533 + ... + 63256.

It is an arithmetic number, because the mean of its divisors is an integer number (17497575).

Almost surely, 2^228633118 is an apocalyptic number.

228633118 is a deficient number, since it is larger than the sum of its proper divisors (191308682).

228633118 is a wasteful number, since it uses less digits than its factorization.

228633118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122824 (or 122817 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 228633118 is about 15120.6189688121. The cubic root of 228633118 is about 611.4764182815.

The spelling of 228633118 in words is "two hundred twenty-eight million, six hundred thirty-three thousand, one hundred eighteen".