22123080 has 96 divisors (see below), whose sum is σ = 82180800. Its totient is φ = 5056128.

The previous prime is 22123043. The next prime is 22123093. The reversal of 22123080 is 8032122.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1870 + ... + 6909.

It is an arithmetic number, because the mean of its divisors is an integer number (856050).

Almost surely, 2^22123080 is an apocalyptic number.

22123080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41090400).

22123080 is an abundant number, since it is smaller than the sum of its proper divisors (60057720).

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

22123080 is a wasteful number, since it uses less digits than its factorization.

22123080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22123080 is about 4703.5178324314. The cubic root of 22123080 is about 280.7254995090.

The spelling of 22123080 in words is "twenty-two million, one hundred twenty-three thousand, eighty".