226427219 has 2 divisors, whose sum is σ = 226427220. Its totient is φ = 226427218.

The previous prime is 226427213. The next prime is 226427221. The reversal of 226427219 is 912724622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226427219 is a prime.

It is a super-3 number, since 3×226427219³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 226427221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226427213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113213609 + 113213610.

It is an arithmetic number, because the mean of its divisors is an integer number (113213610).

Almost surely, 2^226427219 is an apocalyptic number.

226427219 is a deficient number, since it is larger than the sum of its proper divisors (1).

226427219 is an equidigital number, since it uses as much as digits as its factorization.

226427219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 226427219 is about 15047.4987622528. The cubic root of 226427219 is about 609.5035098296.

The spelling of 226427219 in words is "two hundred twenty-six million, four hundred twenty-seven thousand, two hundred nineteen".