22112222219 has 2 divisors, whose sum is σ = 22112222220. Its totient is φ = 22112222218.

The previous prime is 22112222191. The next prime is 22112222291. The reversal of 22112222219 is 91222221122.

Together with next prime (22112222291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112222219 is a prime.

It is a super-2 number, since 2×22112222219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22112222719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056111109 + 11056111110.

It is an arithmetic number, because the mean of its divisors is an integer number (11056111110).

Almost surely, 2^22112222219 is an apocalyptic number.

22112222219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112222219 is an equidigital number, since it uses as much as digits as its factorization.

22112222219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The spelling of 22112222219 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred nineteen".