22200212505 has 16 divisors (see below), whose sum is σ = 35522363520. Its totient is φ = 11839438848.

The previous prime is 22200212483. The next prime is 22200212519. The reversal of 22200212505 is 50521200222.

It is not a de Polignac number, because 22200212505 - 2⁹ = 22200211993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344089 + ... + 403481.

It is an arithmetic number, because the mean of its divisors is an integer number (2220147720).

Almost surely, 2^22200212505 is an apocalyptic number.

It is an amenable number.

22200212505 is a deficient number, since it is larger than the sum of its proper divisors (13322151015).

22200212505 is a wasteful number, since it uses less digits than its factorization.

22200212505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84320.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 22200212505 its reverse (50521200222), we get a palindrome (72721412727).

The spelling of 22200212505 in words is "twenty-two billion, two hundred million, two hundred twelve thousand, five hundred five".