2231219 has 2 divisors, whose sum is σ = 2231220. Its totient is φ = 2231218.

The previous prime is 2231209. The next prime is 2231269. The reversal of 2231219 is 9121322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231219 is a prime.

It is a super-3 number, since 3×2231219³ = 33323288514571429377, which contains 333 as substring. Note that it is a super-d number also for d = 2.

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 2231219.

It is not a weakly prime, because it can be changed into another prime (2231209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115609 + 1115610.

It is an arithmetic number, because the mean of its divisors is an integer number (1115610).

2^2231219 is an apocalyptic number.

2231219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231219 is an equidigital number, since it uses as much as digits as its factorization.

2231219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 2231219 is about 1493.7265479331. The cubic root of 2231219 is about 130.6714568851.

The spelling of 2231219 in words is "two million, two hundred thirty-one thousand, two hundred nineteen".