226046813 has 2 divisors, whose sum is σ = 226046814. Its totient is φ = 226046812.

The previous prime is 226046741. The next prime is 226046831. The reversal of 226046813 is 318640622.

Together with next prime (226046831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213072409 + 12974404 = 14597^2 + 3602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226046813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 226046813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226046713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113023406 + 113023407.

It is an arithmetic number, because the mean of its divisors is an integer number (113023407).

Almost surely, 2^226046813 is an apocalyptic number.

It is an amenable number.

226046813 is a deficient number, since it is larger than the sum of its proper divisors (1).

226046813 is an equidigital number, since it uses as much as digits as its factorization.

226046813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 226046813 is about 15034.8532749741. The cubic root of 226046813 is about 609.1619891146.

The spelling of 226046813 in words is "two hundred twenty-six million, forty-six thousand, eight hundred thirteen".