229519219 has 2 divisors, whose sum is σ = 229519220. Its totient is φ = 229519218.

The previous prime is 229519217. The next prime is 229519223. The reversal of 229519219 is 912915922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229519219 - 2¹ = 229519217 is a prime.

It is a super-2 number, since 2×229519219² = 105358143780739922, which contains 22 as substring.

Together with 229519217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (229519217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114759609 + 114759610.

It is an arithmetic number, because the mean of its divisors is an integer number (114759610).

Almost surely, 2^229519219 is an apocalyptic number.

229519219 is a deficient number, since it is larger than the sum of its proper divisors (1).

229519219 is an equidigital number, since it uses as much as digits as its factorization.

229519219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 40.

The square root of 229519219 is about 15149.8917157846. The cubic root of 229519219 is about 612.2653552963.

The spelling of 229519219 in words is "two hundred twenty-nine million, five hundred nineteen thousand, two hundred nineteen".