226812449 has 2 divisors, whose sum is σ = 226812450. Its totient is φ = 226812448.

The previous prime is 226812431. The next prime is 226812473. The reversal of 226812449 is 944218622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215150224 + 11662225 = 14668^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 226812449 - 2¹² = 226808353 is a prime.

It is not a weakly prime, because it can be changed into another prime (226812149) by changing a digit.

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 as a sum of consecutive naturals, namely, 113406224 + 113406225.

It is an arithmetic number, because the mean of its divisors is an integer number (113406225).

Almost surely, 2^226812449 is an apocalyptic number.

It is an amenable number.

226812449 is a deficient number, since it is larger than the sum of its proper divisors (1).

226812449 is an equidigital number, since it uses as much as digits as its factorization.

226812449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 226812449 is about 15060.2937886351. The cubic root of 226812449 is about 609.8489718374.

The spelling of 226812449 in words is "two hundred twenty-six million, eight hundred twelve thousand, four hundred forty-nine".