226812225 has 24 divisors (see below), whose sum is σ = 381359520. Its totient is φ = 118913920.

The previous prime is 226812203. The next prime is 226812233. The reversal of 226812225 is 522218622.

It is not a de Polignac number, because 226812225 - 2⁷ = 226812097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226812192 and 226812201.

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 23 ways as a sum of consecutive naturals, for example, 21204 + ... + 30053.

It is an arithmetic number, because the mean of its divisors is an integer number (15889980).

Almost surely, 2^226812225 is an apocalyptic number.

226812225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226812225 is a deficient number, since it is larger than the sum of its proper divisors (154547295).

226812225 is a wasteful number, since it uses less digits than its factorization.

226812225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51329 (or 51324 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 226812225 is about 15060.2863518593. The cubic root of 226812225 is about 609.8487710750.

The spelling of 226812225 in words is "two hundred twenty-six million, eight hundred twelve thousand, two hundred twenty-five".