22226688 has 108 divisors (see below), whose sum is σ = 69990648. Its totient is φ = 6727680.

The previous prime is 22226681. The next prime is 22226741. The reversal of 22226688 is 88662222.

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

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

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24906 + ... + 25782.

Almost surely, 2^22226688 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 22226688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34995324).

22226688 is an abundant number, since it is smaller than the sum of its proper divisors (47763960).

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

22226688 is a wasteful number, since it uses less digits than its factorization.

22226688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 893 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 22226688 is about 4714.5188513782. The cubic root of 22226688 is about 281.1630534201.

The spelling of 22226688 in words is "twenty-two million, two hundred twenty-six thousand, six hundred eighty-eight".