4231219 has 2 divisors, whose sum is σ = 4231220. Its totient is φ = 4231218.

The previous prime is 4231211. The next prime is 4231229. The reversal of 4231219 is 9121324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4231219 - 2³ = 4231211 is a prime.

It is a super-2 number, since 2×4231219² = 35806428451922, which contains 22 as substring.

4231219 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231219.

It is not a weakly prime, because it can be changed into another prime (4231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115609 + 2115610.

It is an arithmetic number, because the mean of its divisors is an integer number (2115610).

Almost surely, 2^4231219 is an apocalyptic number.

4231219 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231219 is an equidigital number, since it uses as much as digits as its factorization.

4231219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 4231219 is about 2056.9927078140. The cubic root of 4231219 is about 161.7416371499.

The spelling of 4231219 in words is "four million, two hundred thirty-one thousand, two hundred nineteen".