20221022219 has 2 divisors, whose sum is σ = 20221022220. Its totient is φ = 20221022218.

The previous prime is 20221022191. The next prime is 20221022221. The reversal of 20221022219 is 91222012202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221022219 is a prime.

It is a super-2 number, since 2×20221022219² (a number of 21 digits) contains 22 as substring.

Together with 20221022221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221022194 and 20221022203.

It is not a weakly prime, because it can be changed into another prime (20221022719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110511109 + 10110511110.

It is an arithmetic number, because the mean of its divisors is an integer number (10110511110).

Almost surely, 2^20221022219 is an apocalyptic number.

20221022219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221022219 is an equidigital number, since it uses as much as digits as its factorization.

20221022219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20221022219 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand, two hundred nineteen".