22021222019 has 2 divisors, whose sum is σ = 22021222020. Its totient is φ = 22021222018.

The previous prime is 22021221967. The next prime is 22021222037. The reversal of 22021222019 is 91022212022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22021222019 - 2¹² = 22021217923 is a prime.

It is a super-2 number, since 2×22021222019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22021221985 and 22021222003.

It is not a weakly prime, because it can be changed into another prime (22021222219) 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, 11010611009 + 11010611010.

It is an arithmetic number, because the mean of its divisors is an integer number (11010611010).

Almost surely, 2^22021222019 is an apocalyptic number.

22021222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021222019 is an equidigital number, since it uses as much as digits as its factorization.

22021222019 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.

It can be divided in two parts, 2202 and 1222019, that added together give a palindrome (1224221).

The spelling of 22021222019 in words is "twenty-two billion, twenty-one million, two hundred twenty-two thousand, nineteen".