22224520187 has 2 divisors, whose sum is σ = 22224520188. Its totient is φ = 22224520186.

The previous prime is 22224520169. The next prime is 22224520237. The reversal of 22224520187 is 78102542222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22224520187 - 2⁸ = 22224519931 is a prime.

It is not a weakly prime, because it can be changed into another prime (22224520117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112260093 + 11112260094.

It is an arithmetic number, because the mean of its divisors is an integer number (11112260094).

Almost surely, 2^22224520187 is an apocalyptic number.

22224520187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224520187 is an equidigital number, since it uses as much as digits as its factorization.

22224520187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 22224520187 in words is "twenty-two billion, two hundred twenty-four million, five hundred twenty thousand, one hundred eighty-seven".