229018219 has 2 divisors, whose sum is σ = 229018220. Its totient is φ = 229018218.

The previous prime is 229018187. The next prime is 229018243. The reversal of 229018219 is 912810922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229018219 - 2⁵ = 229018187 is a prime.

It is a super-2 number, since 2×229018219² = 104898689267863922, which contains 22 as substring.

It is equal to p_12591637 and since 229018219 and 12591637 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (229018259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114509109 + 114509110.

It is an arithmetic number, because the mean of its divisors is an integer number (114509110).

Almost surely, 2^229018219 is an apocalyptic number.

229018219 is a deficient number, since it is larger than the sum of its proper divisors (1).

229018219 is an equidigital number, since it uses as much as digits as its factorization.

229018219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 229018219 is about 15133.3479111530. The cubic root of 229018219 is about 611.8195416436.

The spelling of 229018219 in words is "two hundred twenty-nine million, eighteen thousand, two hundred nineteen".