228300656 has 40 divisors (see below), whose sum is σ = 478220880. Its totient is φ = 105214464.

The previous prime is 228300649. The next prime is 228300659. The reversal of 228300656 is 656003822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228300659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 21396.

It is an arithmetic number, because the mean of its divisors is an integer number (11955522).

Almost surely, 2^228300656 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 228300656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239110440).

228300656 is an abundant number, since it is smaller than the sum of its proper divisors (249920224).

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

228300656 is a wasteful number, since it uses less digits than its factorization.

228300656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361 (or 20355 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 228300656 is about 15109.6213056450. The cubic root of 228300656 is about 611.1798860142.

The spelling of 228300656 in words is "two hundred twenty-eight million, three hundred thousand, six hundred fifty-six".