22636220232225 has 24 divisors (see below), whose sum is σ = 37438047849280. Its totient is φ = 12068511952320.

The previous prime is 22636220232209. The next prime is 22636220232271. The reversal of 22636220232225 is 52223202263622.

It is not a de Polignac number, because 22636220232225 - 2⁴ = 22636220232209 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 51515245 + ... + 51952794.

Almost surely, 2^{22636220232225} is an apocalyptic number.

22636220232225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22636220232225 is a deficient number, since it is larger than the sum of its proper divisors (14801827617055).

22636220232225 is a wasteful number, since it uses less digits than its factorization.

22636220232225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103470969 (or 103470964 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 22636220232225 its reverse (52223202263622), we get a palindrome (74859422495847).

The spelling of 22636220232225 in words is "twenty-two trillion, six hundred thirty-six billion, two hundred twenty million, two hundred thirty-two thousand, two hundred twenty-five".