11222219 has 2 divisors, whose sum is σ = 11222220. Its totient is φ = 11222218.

The previous prime is 11222209. The next prime is 11222243. The reversal of 11222219 is 91222211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222219 - 2²⁰ = 10173643 is a prime.

It is a super-2 number, since 2×11222219² = 251876398567922, which contains 22 as substring.

It is a Sophie Germain prime.

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 11222219.

It is not a weakly prime, because it can be changed into another prime (11222209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611109 + 5611110.

It is an arithmetic number, because the mean of its divisors is an integer number (5611110).

Almost surely, 2^11222219 is an apocalyptic number.

11222219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222219 is an equidigital number, since it uses as much as digits as its factorization.

11222219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 11222219 is about 3349.9580594390. The cubic root of 11222219 is about 223.8856439569.

The spelling of 11222219 in words is "eleven million, two hundred twenty-two thousand, two hundred nineteen".