226488109 has 2 divisors, whose sum is σ = 226488110. Its totient is φ = 226488108.

The previous prime is 226488091. The next prime is 226488149. The reversal of 226488109 is 901884622.

Together with previous prime (226488091) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (226488149) can be obtained adding 226488109 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222666084 + 3822025 = 14922^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 226488109 - 2¹⁷ = 226357037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226488149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113244054 + 113244055.

It is an arithmetic number, because the mean of its divisors is an integer number (113244055).

Almost surely, 2^226488109 is an apocalyptic number.

It is an amenable number.

226488109 is a deficient number, since it is larger than the sum of its proper divisors (1).

226488109 is an equidigital number, since it uses as much as digits as its factorization.

226488109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 226488109 is about 15049.5218860933. The cubic root of 226488109 is about 609.5581401028.

The spelling of 226488109 in words is "two hundred twenty-six million, four hundred eighty-eight thousand, one hundred nine".