226251229 has 2 divisors, whose sum is σ = 226251230. Its totient is φ = 226251228.

The previous prime is 226251209. The next prime is 226251247. The reversal of 226251229 is 922152622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215208900 + 11042329 = 14670^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 226251229 - 2¹³ = 226243037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226251229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226251209) 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, 113125614 + 113125615.

It is an arithmetic number, because the mean of its divisors is an integer number (113125615).

Almost surely, 2^226251229 is an apocalyptic number.

It is an amenable number.

226251229 is a deficient number, since it is larger than the sum of its proper divisors (1).

226251229 is an equidigital number, since it uses as much as digits as its factorization.

226251229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 226251229 is about 15041.6498097782. The cubic root of 226251229 is about 609.3455571977.

The spelling of 226251229 in words is "two hundred twenty-six million, two hundred fifty-one thousand, two hundred twenty-nine".