22004430187 has 2 divisors, whose sum is σ = 22004430188. Its totient is φ = 22004430186.

The previous prime is 22004430181. The next prime is 22004430251. The reversal of 22004430187 is 78103440022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22004430187 - 2¹¹ = 22004428139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22004430181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002215093 + 11002215094.

It is an arithmetic number, because the mean of its divisors is an integer number (11002215094).

Almost surely, 2^22004430187 is an apocalyptic number.

22004430187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004430187 is an equidigital number, since it uses as much as digits as its factorization.

22004430187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 22004430187 in words is "twenty-two billion, four million, four hundred thirty thousand, one hundred eighty-seven".