22400189429 has 2 divisors, whose sum is σ = 22400189430. Its totient is φ = 22400189428.

The previous prime is 22400189411. The next prime is 22400189431. The reversal of 22400189429 is 92498100422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20286304900 + 2113884529 = 142430^2 + 45977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22400189429 is a prime.

Together with 22400189431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22400189029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200094714 + 11200094715.

It is an arithmetic number, because the mean of its divisors is an integer number (11200094715).

Almost surely, 2^22400189429 is an apocalyptic number.

It is an amenable number.

22400189429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400189429 is an equidigital number, since it uses as much as digits as its factorization.

22400189429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 22400189429 in words is "twenty-two billion, four hundred million, one hundred eighty-nine thousand, four hundred twenty-nine".