22188096 has 84 divisors (see below), whose sum is σ = 72696832. Its totient is φ = 6338304.

The previous prime is 22188073. The next prime is 22188097. The reversal of 22188096 is 69088122.

It is a tau number, because it is divible by the number of its divisors (84).

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 22188096.

It is not an unprimeable number, because it can be changed into a prime (22188097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281 + ... + 6783.

Almost surely, 2^22188096 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 22188096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36348416).

22188096 is an abundant number, since it is smaller than the sum of its proper divisors (50508736).

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

22188096 is a wasteful number, since it uses less digits than its factorization.

22188096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528 (or 5515 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 22188096 is about 4710.4241847205. The cubic root of 22188096 is about 281.0002321819. Note that the first 3 decimals are identical.

The spelling of 22188096 in words is "twenty-two million, one hundred eighty-eight thousand, ninety-six".