22213334021 has 2 divisors, whose sum is σ = 22213334022. Its totient is φ = 22213334020.

The previous prime is 22213333999. The next prime is 22213334027. The reversal of 22213334021 is 12043331222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22180144900 + 33189121 = 148930^2 + 5761^2 .

It is a cyclic number.

It is not a de Polignac number, because 22213334021 - 2¹⁰ = 22213332997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22213334027) 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, 11106667010 + 11106667011.

It is an arithmetic number, because the mean of its divisors is an integer number (11106667011).

Almost surely, 2^22213334021 is an apocalyptic number.

It is an amenable number.

22213334021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213334021 is an equidigital number, since it uses as much as digits as its factorization.

22213334021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22213334021 its reverse (12043331222), we get a palindrome (34256665243).

The spelling of 22213334021 in words is "twenty-two billion, two hundred thirteen million, three hundred thirty-four thousand, twenty-one".