22424421211 has 4 divisors (see below), whose sum is σ = 22847523552. Its totient is φ = 22001318872.

The previous prime is 22424421209. The next prime is 22424421233. The reversal of 22424421211 is 11212442422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22424421211 - 2¹ = 22424421209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22424421911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211551091 + ... + 211551196.

It is an arithmetic number, because the mean of its divisors is an integer number (5711880888).

Almost surely, 2^22424421211 is an apocalyptic number.

22424421211 is a deficient number, since it is larger than the sum of its proper divisors (423102341).

22424421211 is an equidigital number, since it uses as much as digits as its factorization.

22424421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423102340.

The product of its digits is 2048, while the sum is 25.

Adding to 22424421211 its reverse (11212442422), we get a palindrome (33636863633).

The spelling of 22424421211 in words is "twenty-two billion, four hundred twenty-four million, four hundred twenty-one thousand, two hundred eleven".