228333056 has 40 divisors (see below), whose sum is σ = 521402640. Its totient is φ = 97855488.

The previous prime is 228333041. The next prime is 228333067. The reversal of 228333056 is 650333822.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28271 + ... + 35438.

It is an arithmetic number, because the mean of its divisors is an integer number (13035066).

Almost surely, 2^228333056 is an apocalyptic number.

It is an amenable number.

228333056 is an abundant number, since it is smaller than the sum of its proper divisors (293069584).

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

228333056 is an frugal number, since it uses more digits than its factorization.

228333056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63734 (or 63718 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 228333056 is about 15110.6934321361. The cubic root of 228333056 is about 611.2087971468.

Adding to 228333056 its reverse (650333822), we get a palindrome (878666878).

The spelling of 228333056 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, fifty-six".