22488888 has 64 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 7171200.

The previous prime is 22488887. The next prime is 22488941. The reversal of 22488888 is 88888422.

It is a nude number because it is divisible by every one of its digits.

22488888 is a modest number, since divided by 8888 gives 2248 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22488887) 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 15 ways as a sum of consecutive naturals, for example, 124158 + ... + 124338.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^22488888 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 22488888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29352960).

22488888 is an abundant number, since it is smaller than the sum of its proper divisors (36217032).

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

22488888 is a wasteful number, since it uses less digits than its factorization.

22488888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 384 counting only the distinct ones).

The product of its digits is 524288, while the sum is 48.

The square root of 22488888 is about 4742.2450379541. The cubic root of 22488888 is about 282.2643263788.

The spelling of 22488888 in words is "twenty-two million, four hundred eighty-eight thousand, eight hundred eighty-eight".