22604115 has 16 divisors (see below), whose sum is σ = 37334016. Its totient is φ = 11666400.

The previous prime is 22604107. The next prime is 22604117. The reversal of 22604115 is 51140622.

It is not a de Polignac number, because 22604115 - 2³ = 22604107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22604091 and 22604100.

It is not an unprimeable number, because it can be changed into a prime (22604117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23841 + ... + 24770.

It is an arithmetic number, because the mean of its divisors is an integer number (2333376).

Almost surely, 2^22604115 is an apocalyptic number.

22604115 is a deficient number, since it is larger than the sum of its proper divisors (14729901).

22604115 is a wasteful number, since it uses less digits than its factorization.

22604115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48650.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22604115 is about 4754.3785082806. The cubic root of 22604115 is about 282.7455874686.

Adding to 22604115 its reverse (51140622), we get a palindrome (73744737).

The spelling of 22604115 in words is "twenty-two million, six hundred four thousand, one hundred fifteen".