22102222213 has 2 divisors, whose sum is σ = 22102222214. Its totient is φ = 22102222212.

The previous prime is 22102222201. The next prime is 22102222237. The reversal of 22102222213 is 31222220122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19747837729 + 2354384484 = 140527^2 + 48522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102222213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102222273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051111106 + 11051111107.

It is an arithmetic number, because the mean of its divisors is an integer number (11051111107).

Almost surely, 2^22102222213 is an apocalyptic number.

It is an amenable number.

22102222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102222213 is an equidigital number, since it uses as much as digits as its factorization.

22102222213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22102222213 its reverse (31222220122), we get a palindrome (53324442335).

The spelling of 22102222213 in words is "twenty-two billion, one hundred two million, two hundred twenty-two thousand, two hundred thirteen".