226730328 has 64 divisors (see below), whose sum is σ = 633467520. Its totient is φ = 67027200.

The previous prime is 226730299. The next prime is 226730341. The reversal of 226730328 is 823037622.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 351 + ... + 21297.

It is an arithmetic number, because the mean of its divisors is an integer number (9897930).

Almost surely, 2^226730328 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 226730328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316733760).

226730328 is an abundant number, since it is smaller than the sum of its proper divisors (406737192).

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

226730328 is a wasteful number, since it uses less digits than its factorization.

226730328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008 (or 21004 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 226730328 is about 15057.5671341688. The cubic root of 226730328 is about 609.7753611617.

The spelling of 226730328 in words is "two hundred twenty-six million, seven hundred thirty thousand, three hundred twenty-eight".