22205161816219 has 2 divisors, whose sum is σ = 22205161816220. Its totient is φ = 22205161816218.

The previous prime is 22205161816217. The next prime is 22205161816241. The reversal of 22205161816219 is 91261816150222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22205161816219 - 2¹ = 22205161816217 is a prime.

It is a super-2 number, since 2×22205161816219² (a number of 27 digits) contains 22 as substring.

Together with 22205161816217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22205161816217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102580908109 + 11102580908110.

It is an arithmetic number, because the mean of its divisors is an integer number (11102580908110).

Almost surely, 2^{22205161816219} is an apocalyptic number.

22205161816219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22205161816219 is an equidigital number, since it uses as much as digits as its factorization.

22205161816219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 22205161816219 in words is "twenty-two trillion, two hundred five billion, one hundred sixty-one million, eight hundred sixteen thousand, two hundred nineteen".