22100221229 has 2 divisors, whose sum is σ = 22100221230. Its totient is φ = 22100221228.

The previous prime is 22100221211. The next prime is 22100221237. The reversal of 22100221229 is 92212200122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20612344900 + 1487876329 = 143570^2 + 38573^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100221229 - 2⁸ = 22100220973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100221259) 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, 11050110614 + 11050110615.

It is an arithmetic number, because the mean of its divisors is an integer number (11050110615).

Almost surely, 2^22100221229 is an apocalyptic number.

It is an amenable number.

22100221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100221229 is an equidigital number, since it uses as much as digits as its factorization.

22100221229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 22100221229 in words is "twenty-two billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-nine".