226812473 has 2 divisors, whose sum is σ = 226812474. Its totient is φ = 226812472.

The previous prime is 226812449. The next prime is 226812491. The reversal of 226812473 is 374218622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208860304 + 17952169 = 14452^2 + 4237^2 .

It is a cyclic number.

It is not a de Polignac number, because 226812473 - 2²² = 222618169 is a prime.

It is not a weakly prime, because it can be changed into another prime (226812413) by changing a digit.

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 as a sum of consecutive naturals, namely, 113406236 + 113406237.

It is an arithmetic number, because the mean of its divisors is an integer number (113406237).

Almost surely, 2^226812473 is an apocalyptic number.

It is an amenable number.

226812473 is a deficient number, since it is larger than the sum of its proper divisors (1).

226812473 is an equidigital number, since it uses as much as digits as its factorization.

226812473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 226812473 is about 15060.2945854323. The cubic root of 226812473 is about 609.8489933476.

It can be divided in two parts, 2268 and 12473, that added together give a palindrome (14741).

The spelling of 226812473 in words is "two hundred twenty-six million, eight hundred twelve thousand, four hundred seventy-three".