1108422 has 48 divisors (see below), whose sum is σ = 2895360. Its totient is φ = 299376.

The previous prime is 1108397. The next prime is 1108423. The reversal of 1108422 is 2248011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1108395 and 1108404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2163 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (60320).

2^1108422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1108422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447680).

1108422 is an abundant number, since it is smaller than the sum of its proper divisors (1786938).

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

1108422 is a wasteful number, since it uses less digits than its factorization.

1108422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1108422 is about 1052.8162232793. The cubic root of 1108422 is about 103.4907924316.

The spelling of 1108422 in words is "one million, one hundred eight thousand, four hundred twenty-two".