22506550245 has 20 divisors (see below), whose sum is σ = 40345075980. Its totient is φ = 12003493248.

The previous prime is 22506550229. The next prime is 22506550259. The reversal of 22506550245 is 54205560522.

22506550245 is a `hidden beast` number, since 2 + 2 + 50 + 65 + 502 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3966732324 + 18539817921 = 62982^2 + 136161^2 .

It is not a de Polignac number, because 22506550245 - 2⁴ = 22506550229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27785460 + ... + 27786269.

It is an arithmetic number, because the mean of its divisors is an integer number (2017253799).

Almost surely, 2^22506550245 is an apocalyptic number.

It is an amenable number.

22506550245 is a deficient number, since it is larger than the sum of its proper divisors (17838525735).

22506550245 is an equidigital number, since it uses as much as digits as its factorization.

22506550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55571746 (or 55571737 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 22506550245 in words is "twenty-two billion, five hundred six million, five hundred fifty thousand, two hundred forty-five".