22122232213 has 2 divisors, whose sum is σ = 22122232214. Its totient is φ = 22122232212.

The previous prime is 22122232211. The next prime is 22122232217. The reversal of 22122232213 is 31223222122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19325726289 + 2796505924 = 139017^2 + 52882^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122232213 - 2¹ = 22122232211 is a prime.

Together with 22122232211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122232211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061116106 + 11061116107.

It is an arithmetic number, because the mean of its divisors is an integer number (11061116107).

Almost surely, 2^22122232213 is an apocalyptic number.

It is an amenable number.

22122232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122232213 is an equidigital number, since it uses as much as digits as its factorization.

22122232213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

Adding to 22122232213 its reverse (31223222122), we get a palindrome (53345454335).

The spelling of 22122232213 in words is "twenty-two billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred thirteen".