226081469 has 2 divisors, whose sum is σ = 226081470. Its totient is φ = 226081468.

The previous prime is 226081447. The next prime is 226081483. The reversal of 226081469 is 964180622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154678969 + 71402500 = 12437^2 + 8450^2 .

It is a cyclic number.

It is not a de Polignac number, because 226081469 - 2⁸ = 226081213 is a prime.

It is a super-2 number, since 2×226081469² = 102225661250395922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226081409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113040734 + 113040735.

It is an arithmetic number, because the mean of its divisors is an integer number (113040735).

Almost surely, 2^226081469 is an apocalyptic number.

It is an amenable number.

226081469 is a deficient number, since it is larger than the sum of its proper divisors (1).

226081469 is an equidigital number, since it uses as much as digits as its factorization.

226081469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 226081469 is about 15036.0057528587. The cubic root of 226081469 is about 609.1931184174.

The spelling of 226081469 in words is "two hundred twenty-six million, eighty-one thousand, four hundred sixty-nine".