22022219909 has 2 divisors, whose sum is σ = 22022219910. Its totient is φ = 22022219908.

The previous prime is 22022219903. The next prime is 22022219941. The reversal of 22022219909 is 90991222022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18037833025 + 3984386884 = 134305^2 + 63122^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022219909 - 2¹⁶ = 22022154373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022219903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011109954 + 11011109955.

It is an arithmetic number, because the mean of its divisors is an integer number (11011109955).

Almost surely, 2^22022219909 is an apocalyptic number.

It is an amenable number.

22022219909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022219909 is an equidigital number, since it uses as much as digits as its factorization.

22022219909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 22022219909 in words is "twenty-two billion, twenty-two million, two hundred nineteen thousand, nine hundred nine".