22205513 has 8 divisors (see below), whose sum is σ = 24879360. Its totient is φ = 19640880.

The previous prime is 22205497. The next prime is 22205527. The reversal of 22205513 is 31550222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22205513 - 2⁴ = 22205497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22205543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26873 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (3109920).

Almost surely, 2^22205513 is an apocalyptic number.

It is an amenable number.

22205513 is a deficient number, since it is larger than the sum of its proper divisors (2673847).

22205513 is a wasteful number, since it uses less digits than its factorization.

22205513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54607.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 22205513 is about 4712.2725939827. The cubic root of 22205513 is about 281.0737385793.

Adding to 22205513 its reverse (31550222), we get a palindrome (53755735).

The spelling of 22205513 in words is "twenty-two million, two hundred five thousand, five hundred thirteen".