226328128 has 28 divisors (see below), whose sum is σ = 483669340. Its totient is φ = 104458752.

The previous prime is 226328107. The next prime is 226328129. The reversal of 226328128 is 821823622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89718784 + 136609344 = 9472^2 + 11688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 226328093 and 226328102.

It is not an unprimeable number, because it can be changed into a prime (226328129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135183 + ... + 136846.

It is an arithmetic number, because the mean of its divisors is an integer number (17273905).

Almost surely, 2^226328128 is an apocalyptic number.

It is an amenable number.

226328128 is an abundant number, since it is smaller than the sum of its proper divisors (257341212).

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

226328128 is a wasteful number, since it uses less digits than its factorization.

226328128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272054 (or 272044 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 226328128 is about 15044.2057949232. The cubic root of 226328128 is about 609.4145848245.

The spelling of 226328128 in words is "two hundred twenty-six million, three hundred twenty-eight thousand, one hundred twenty-eight".