22798528 has 28 divisors (see below), whose sum is σ = 45701712. Its totient is φ = 11283200.

The previous prime is 22798487. The next prime is 22798571. The reversal of 22798528 is 82589722.

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 3 ways as a sum of consecutive naturals, for example, 4701 + ... + 8227.

It is an arithmetic number, because the mean of its divisors is an integer number (1632204).

Almost surely, 2^22798528 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 22798528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22850856).

22798528 is an abundant number, since it is smaller than the sum of its proper divisors (22903184).

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

22798528 is a wasteful number, since it uses less digits than its factorization.

22798528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3630 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 22798528 is about 4774.7804137992. The cubic root of 22798528 is about 283.5538853286.

The spelling of 22798528 in words is "twenty-two million, seven hundred ninety-eight thousand, five hundred twenty-eight".