228093228 has 54 divisors (see below), whose sum is σ = 633761492. Its totient is φ = 69117840.

The previous prime is 228093227. The next prime is 228093241. The reversal of 228093228 is 822390822.

228093228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 228093192 and 228093201.

It is not an unprimeable number, because it can be changed into a prime (228093227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21826 + ... + 30537.

Almost surely, 2^228093228 is an apocalyptic number.

It is an amenable number.

228093228 is an abundant number, since it is smaller than the sum of its proper divisors (405668264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228093228 is a wasteful number, since it uses less digits than its factorization.

228093228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52395 (or 52379 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 228093228 is about 15102.7556425971. The cubic root of 228093228 is about 610.9947292447.

The spelling of 228093228 in words is "two hundred twenty-eight million, ninety-three thousand, two hundred twenty-eight".