22010881229 has 2 divisors, whose sum is σ = 22010881230. Its totient is φ = 22010881228.

The previous prime is 22010881219. The next prime is 22010881231. The reversal of 22010881229 is 92218801022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17802764329 + 4208116900 = 133427^2 + 64870^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010881229 - 2²⁸ = 21742445773 is a prime.

It is a Sophie Germain prime.

Together with 22010881231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010881219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005440614 + 11005440615.

It is an arithmetic number, because the mean of its divisors is an integer number (11005440615).

Almost surely, 2^22010881229 is an apocalyptic number.

It is an amenable number.

22010881229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010881229 is an equidigital number, since it uses as much as digits as its factorization.

22010881229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 22010881229 in words is "twenty-two billion, ten million, eight hundred eighty-one thousand, two hundred twenty-nine".