228466056 has 128 divisors (see below), whose sum is σ = 713099520. Its totient is φ = 59387904.

The previous prime is 228466039. The next prime is 228466067. The reversal of 228466056 is 650664822.

228466056 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 (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158716 + ... + 160148.

It is an arithmetic number, because the mean of its divisors is an integer number (5571090).

Almost surely, 2^228466056 is an apocalyptic number.

228466056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228466056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356549760).

228466056 is an abundant number, since it is smaller than the sum of its proper divisors (484633464).

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

228466056 is a wasteful number, since it uses less digits than its factorization.

228466056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 228466056 is about 15115.0936484032. The cubic root of 228466056 is about 611.3274469138.

The spelling of 228466056 in words is "two hundred twenty-eight million, four hundred sixty-six thousand, fifty-six".