228655056 has 80 divisors (see below), whose sum is σ = 681734144. Its totient is φ = 64685952.

The previous prime is 228655051. The next prime is 228655061. The reversal of 228655056 is 650556822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228655051) and next prime (228655061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228655051) 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, 31305 + ... + 37911.

Almost surely, 2^228655056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228655056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340867072).

228655056 is an abundant number, since it is smaller than the sum of its proper divisors (453079088).

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

228655056 is a wasteful number, since it uses less digits than its factorization.

228655056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 228655056 is about 15121.3443846769. The cubic root of 228655056 is about 611.4959752917.

The spelling of 228655056 in words is "two hundred twenty-eight million, six hundred fifty-five thousand, fifty-six".