226144688 has 80 divisors (see below), whose sum is σ = 575082240. Its totient is φ = 83462400.

The previous prime is 226144679. The next prime is 226144741. The reversal of 226144688 is 886441622.

226144688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×226144688² = 102282839821234688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18578 + ... + 28238.

It is an arithmetic number, because the mean of its divisors is an integer number (7188528).

Almost surely, 2^226144688 is an apocalyptic number.

226144688 is a gapful number since it is divisible by the number (28) 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 226144688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287541120).

226144688 is an abundant number, since it is smaller than the sum of its proper divisors (348937552).

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

226144688 is a wasteful number, since it uses less digits than its factorization.

226144688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9706 (or 9700 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 226144688 is about 15038.1078597010. The cubic root of 226144688 is about 609.2498958714.

The spelling of 226144688 in words is "two hundred twenty-six million, one hundred forty-four thousand, six hundred eighty-eight".