22804128 has 36 divisors (see below), whose sum is σ = 64850058. Its totient is φ = 7601280.

The previous prime is 22804081. The next prime is 22804141. The reversal of 22804128 is 82140822.

It can be written as a sum of positive squares in only one way, i.e., 19607184 + 3196944 = 4428^2 + 1788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39303 + ... + 39878.

Almost surely, 2^22804128 is an apocalyptic number.

It is an amenable number.

22804128 is an abundant number, since it is smaller than the sum of its proper divisors (42045930).

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

22804128 is a wasteful number, since it uses less digits than its factorization.

22804128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79197 (or 79186 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 22804128 is about 4775.3667921951. The cubic root of 22804128 is about 283.5770998649.

The spelling of 22804128 in words is "twenty-two million, eight hundred four thousand, one hundred twenty-eight".