22488288 has 48 divisors (see below), whose sum is σ = 59277456. Its totient is φ = 7464960.

The previous prime is 22488281. The next prime is 22488289. The reversal of 22488288 is 88288422.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22488281) 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 7 ways as a sum of consecutive naturals, for example, 41298 + ... + 41838.

It is an arithmetic number, because the mean of its divisors is an integer number (1234947).

Almost surely, 2^22488288 is an apocalyptic number.

It is an amenable number.

22488288 is an abundant number, since it is smaller than the sum of its proper divisors (36789168).

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

22488288 is a wasteful number, since it uses less digits than its factorization.

22488288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 979 counting only the distinct ones).

The product of its digits is 131072, while the sum is 42.

The square root of 22488288 is about 4742.1817763557. The cubic root of 22488288 is about 282.2618161005.

The spelling of 22488288 in words is "twenty-two million, four hundred eighty-eight thousand, two hundred eighty-eight".