22504105 has 8 divisors (see below), whose sum is σ = 29082312. Its totient is φ = 16618368.

The previous prime is 22504091. The next prime is 22504123. The reversal of 22504105 is 50140522.

It can be written as a sum of positive squares in 4 ways, for example, as 254016 + 22250089 = 504^2 + 4717^2 .

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

It is not a de Polignac number, because 22504105 - 2¹⁷ = 22373033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173044 + ... + 173173.

It is an arithmetic number, because the mean of its divisors is an integer number (3635289).

Almost surely, 2^22504105 is an apocalyptic number.

It is an amenable number.

22504105 is a deficient number, since it is larger than the sum of its proper divisors (6578207).

22504105 is a wasteful number, since it uses less digits than its factorization.

22504105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346235.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22504105 is about 4743.8491755114. The cubic root of 22504105 is about 282.3279762999.

Adding to 22504105 its reverse (50140522), we get a palindrome (72644627).

The spelling of 22504105 in words is "twenty-two million, five hundred four thousand, one hundred five".