22143908029 has 2 divisors, whose sum is σ = 22143908030. Its totient is φ = 22143908028.

The previous prime is 22143908027. The next prime is 22143908041. The reversal of 22143908029 is 92080934122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21035151225 + 1108756804 = 145035^2 + 33298^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143908029 - 2¹ = 22143908027 is a prime.

Together with 22143908027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22143907982 and 22143908000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143908021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071954014 + 11071954015.

It is an arithmetic number, because the mean of its divisors is an integer number (11071954015).

Almost surely, 2^22143908029 is an apocalyptic number.

It is an amenable number.

22143908029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143908029 is an equidigital number, since it uses as much as digits as its factorization.

22143908029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 22143908029 in words is "twenty-two billion, one hundred forty-three million, nine hundred eight thousand, twenty-nine".