22080860 has 48 divisors (see below), whose sum is σ = 48607776. Its totient is φ = 8416512.

The previous prime is 22080857. The next prime is 22080871. The reversal of 22080860 is 6808022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38939 + ... + 39501.

It is an arithmetic number, because the mean of its divisors is an integer number (1012662).

Almost surely, 2^22080860 is an apocalyptic number.

22080860 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 22080860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24303888).

22080860 is an abundant number, since it is smaller than the sum of its proper divisors (26526916).

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

22080860 is a wasteful number, since it uses less digits than its factorization.

22080860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 22080860 is about 4699.0275589743. The cubic root of 22080860 is about 280.5468056103.

Adding to 22080860 its reverse (6808022), we get a palindrome (28888882).

The spelling of 22080860 in words is "twenty-two million, eighty thousand, eight hundred sixty".