22084 has 6 divisors (see below), whose sum is σ = 38654.
Its totient is φ = 11040.
The previous prime is 22079. The next prime is 22091. The reversal of 22084 is 48022.
It can be written as a sum of positive squares in only one way, i.e., 16900 + 5184 = 130^2 + 72^2
It is an unprimeable number.
22084 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757 + ... + 2764.
222084 is an apocalyptic number.
It is an amenable number.
22084 is a deficient number, since it is larger than the sum of its proper divisors (16570).
22084 is a wasteful number, since it uses less digits than its factorization.
22084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5525 (or 5523 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 22084 is about 148.6068639061.
The cubic root of 22084 is about 28.0560103329.
The spelling of 22084 in words is "twenty-two thousand, eighty-four".