226509808 has 40 divisors (see below), whose sum is σ = 517744640. Its totient is φ = 93942720.

The previous prime is 226509793. The next prime is 226509817. The reversal of 226509808 is 808905622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29148 + ... + 36091.

It is an arithmetic number, because the mean of its divisors is an integer number (12943616).

Almost surely, 2^226509808 is an apocalyptic number.

226509808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

226509808 is an abundant number, since it is smaller than the sum of its proper divisors (291234832).

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

226509808 is a wasteful number, since it uses less digits than its factorization.

226509808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65285 (or 65279 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 226509808 is about 15050.2427887393. The cubic root of 226509808 is about 609.5776059955.

The spelling of 226509808 in words is "two hundred twenty-six million, five hundred nine thousand, eight hundred eight".