226335289 has 2 divisors, whose sum is σ = 226335290. Its totient is φ = 226335288.

The previous prime is 226335287. The next prime is 226335299. The reversal of 226335289 is 982533622.

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., 222755625 + 3579664 = 14925^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 226335289 - 2¹ = 226335287 is a prime.

Together with 226335287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (226335287) 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, 113167644 + 113167645.

It is an arithmetic number, because the mean of its divisors is an integer number (113167645).

Almost surely, 2^226335289 is an apocalyptic number.

It is an amenable number.

226335289 is a deficient number, since it is larger than the sum of its proper divisors (1).

226335289 is an equidigital number, since it uses as much as digits as its factorization.

226335289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 226335289 is about 15044.4437916461. The cubic root of 226335289 is about 609.4210120295.

The spelling of 226335289 in words is "two hundred twenty-six million, three hundred thirty-five thousand, two hundred eighty-nine".