22506055249 has 2 divisors, whose sum is σ = 22506055250. Its totient is φ = 22506055248.

The previous prime is 22506055189. The next prime is 22506055279. The reversal of 22506055249 is 94255060522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19472248849 + 3033806400 = 139543^2 + 55080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22506055249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22506055279) 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, 11253027624 + 11253027625.

It is an arithmetic number, because the mean of its divisors is an integer number (11253027625).

Almost surely, 2^22506055249 is an apocalyptic number.

It is an amenable number.

22506055249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22506055249 is an equidigital number, since it uses as much as digits as its factorization.

22506055249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 22506055249 in words is "twenty-two billion, five hundred six million, fifty-five thousand, two hundred forty-nine".