22641048 has 96 divisors (see below), whose sum is σ = 64247040. Its totient is φ = 7197120.

The previous prime is 22641011. The next prime is 22641049. The reversal of 22641048 is 84014622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641049) 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 23 ways as a sum of consecutive naturals, for example, 219765 + ... + 219867.

It is an arithmetic number, because the mean of its divisors is an integer number (669240).

Almost surely, 2^22641048 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 22641048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32123520).

22641048 is an abundant number, since it is smaller than the sum of its proper divisors (41605992).

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

22641048 is a wasteful number, since it uses less digits than its factorization.

22641048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22641048 is about 4758.2610268879. The cubic root of 22641048 is about 282.8994969154.

The spelling of 22641048 in words is "twenty-two million, six hundred forty-one thousand, forty-eight".