22604608 has 56 divisors (see below), whose sum is σ = 48966120. Its totient is φ = 10291200.

The previous prime is 22604581. The next prime is 22604629. The reversal of 22604608 is 80640622.

It can be written as a sum of positive squares in 4 ways, for example, as 1149184 + 21455424 = 1072^2 + 4632^2 .

It is a congruent number.

It is an unprimeable number.

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, 83898 + ... + 84166.

It is an arithmetic number, because the mean of its divisors is an integer number (874395).

Almost surely, 2^22604608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22604608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24483060).

22604608 is an abundant number, since it is smaller than the sum of its proper divisors (26361512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22604608 is a wasteful number, since it uses less digits than its factorization.

22604608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 22604608 is about 4754.4303549426. The cubic root of 22604608 is about 282.7476430318.

The spelling of 22604608 in words is "twenty-two million, six hundred four thousand, six hundred eight".