11194219 has 2 divisors, whose sum is σ = 11194220. Its totient is φ = 11194218.

The previous prime is 11194217. The next prime is 11194229. The reversal of 11194219 is 91249111.

It is a weak prime.

It is an emirp because it is prime and its reverse (91249111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11194219 - 2¹ = 11194217 is a prime.

It is a super-2 number, since 2×11194219² = 250621078039922, which contains 22 as substring.

Together with 11194217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11194213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597109 + 5597110.

It is an arithmetic number, because the mean of its divisors is an integer number (5597110).

Almost surely, 2^11194219 is an apocalyptic number.

11194219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11194219 is an equidigital number, since it uses as much as digits as its factorization.

11194219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 28.

The square root of 11194219 is about 3345.7762925814. The cubic root of 11194219 is about 223.6992869056.

The spelling of 11194219 in words is "eleven million, one hundred ninety-four thousand, two hundred nineteen".