22022221019 has 2 divisors, whose sum is σ = 22022221020. Its totient is φ = 22022221018.

The previous prime is 22022221003. The next prime is 22022221021. The reversal of 22022221019 is 91012222022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22022221019 - 2⁴ = 22022221003 is a prime.

It is a super-2 number, since 2×22022221019² (a number of 21 digits) contains 22 as substring.

Together with 22022221021, 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 = 22022220985 and 22022221003.

It is not a weakly prime, because it can be changed into another prime (22022221519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011110509 + 11011110510.

It is an arithmetic number, because the mean of its divisors is an integer number (11011110510).

Almost surely, 2^22022221019 is an apocalyptic number.

22022221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022221019 is an equidigital number, since it uses as much as digits as its factorization.

22022221019 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 22022221019 in words is "twenty-two billion, twenty-two million, two hundred twenty-one thousand, nineteen".