226520304 has 40 divisors (see below), whose sum is σ = 596225232. Its totient is φ = 74081280.

The previous prime is 226520297. The next prime is 226520309. The reversal of 226520304 is 403025622.

It is a super-2 number, since 2×226520304² = 102622896248504832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226520309) 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, 41977 + ... + 47064.

Almost surely, 2^226520304 is an apocalyptic number.

226520304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

226520304 is an abundant number, since it is smaller than the sum of its proper divisors (369704928).

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

226520304 is a wasteful number, since it uses less digits than its factorization.

226520304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89105 (or 89099 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 226520304 is about 15050.5914833936. The cubic root of 226520304 is about 609.5870213755.

Adding to 226520304 its reverse (403025622), we get a palindrome (629545926).

The spelling of 226520304 in words is "two hundred twenty-six million, five hundred twenty thousand, three hundred four".