22160 has 20 divisors (see below), whose sum is σ = 51708. Its totient is φ = 8832.

The previous prime is 22159. The next prime is 22171. The reversal of 22160 is 6122.

It can be written as a sum of positive squares in 2 ways, for example, as 5776 + 16384 = 76^2 + 128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 218.

2²²¹⁶⁰ is an apocalyptic number.

22160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22160 is an abundant number, since it is smaller than the sum of its proper divisors (29548).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25854).

22160 is a wasteful number, since it uses less digits than its factorization.

22160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22160 is about 148.8623525274. The cubic root of 22160 is about 28.0881575204.

Adding to 22160 its reverse (6122), we get a palindrome (28282).

The spelling of 22160 in words is "twenty-two thousand, one hundred sixty".