226809228 has 24 divisors (see below), whose sum is σ = 532285488. Its totient is φ = 75165376.

The previous prime is 226809211. The next prime is 226809259. The reversal of 226809228 is 822908622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52551 + ... + 56702.

It is an arithmetic number, because the mean of its divisors is an integer number (22178562).

Almost surely, 2^226809228 is an apocalyptic number.

It is an amenable number.

226809228 is an abundant number, since it is smaller than the sum of its proper divisors (305476260).

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

226809228 is a wasteful number, since it uses less digits than its factorization.

226809228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109433 (or 109431 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 226809228 is about 15060.1868514305. The cubic root of 226809228 is about 609.8460849693.

The spelling of 226809228 in words is "two hundred twenty-six million, eight hundred nine thousand, two hundred twenty-eight".