22248576 has 192 divisors, whose sum is σ = 76377600. Its totient is φ = 6082560.

The previous prime is 22248571. The next prime is 22248593. The reversal of 22248576 is 67584222.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22248576.

It is not an unprimeable number, because it can be changed into a prime (22248571) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 249940 + ... + 250028.

It is an arithmetic number, because the mean of its divisors is an integer number (397800).

Almost surely, 2^22248576 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 22248576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38188800).

22248576 is an abundant number, since it is smaller than the sum of its proper divisors (54129024).

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

22248576 is a wasteful number, since it uses less digits than its factorization.

22248576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 132 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22248576 is about 4716.8396199150. The cubic root of 22248576 is about 281.2553160477.

The spelling of 22248576 in words is "twenty-two million, two hundred forty-eight thousand, five hundred seventy-six".