22104404213 has 2 divisors, whose sum is σ = 22104404214. Its totient is φ = 22104404212.

The previous prime is 22104404171. The next prime is 22104404237. The reversal of 22104404213 is 31240440122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15810044644 + 6294359569 = 125738^2 + 79337^2 .

It is a cyclic number.

It is not a de Polignac number, because 22104404213 - 2⁶ = 22104404149 is a prime.

It is a super-2 number, since 2×22104404213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22104404293) 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 as a sum of consecutive naturals, namely, 11052202106 + 11052202107.

It is an arithmetic number, because the mean of its divisors is an integer number (11052202107).

Almost surely, 2^22104404213 is an apocalyptic number.

It is an amenable number.

22104404213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22104404213 is an equidigital number, since it uses as much as digits as its factorization.

22104404213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22104404213 its reverse (31240440122), we get a palindrome (53344844335).

The spelling of 22104404213 in words is "twenty-two billion, one hundred four million, four hundred four thousand, two hundred thirteen".