22129825189 has 2 divisors, whose sum is σ = 22129825190. Its totient is φ = 22129825188.

The previous prime is 22129825177. The next prime is 22129825213. The reversal of 22129825189 is 98152892122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19555784964 + 2574040225 = 139842^2 + 50735^2 .

It is a cyclic number.

It is not a de Polignac number, because 22129825189 - 2¹⁹ = 22129300901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22129825129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11064912594 + 11064912595.

It is an arithmetic number, because the mean of its divisors is an integer number (11064912595).

Almost surely, 2^22129825189 is an apocalyptic number.

It is an amenable number.

22129825189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22129825189 is an equidigital number, since it uses as much as digits as its factorization.

22129825189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 49.

The spelling of 22129825189 in words is "twenty-two billion, one hundred twenty-nine million, eight hundred twenty-five thousand, one hundred eighty-nine".