20221010219 has 2 divisors, whose sum is σ = 20221010220. Its totient is φ = 20221010218.

The previous prime is 20221010203. The next prime is 20221010221. The reversal of 20221010219 is 91201012202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20221010219 - 2⁴ = 20221010203 is a prime.

It is a super-2 number, since 2×20221010219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 20221010221, it forms a pair of twin primes.

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 20221010219.

It is not a weakly prime, because it can be changed into another prime (20221010269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110505109 + 10110505110.

It is an arithmetic number, because the mean of its divisors is an integer number (10110505110).

Almost surely, 2^20221010219 is an apocalyptic number.

20221010219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221010219 is an equidigital number, since it uses as much as digits as its factorization.

20221010219 is an evil number, because the sum of its binary digits is even.

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

The spelling of 20221010219 in words is "twenty billion, two hundred twenty-one million, ten thousand, two hundred nineteen".