22064 has 20 divisors (see below), whose sum is σ = 49104. Its totient is φ = 9408.

The previous prime is 22063. The next prime is 22067. The reversal of 22064 is 46022.

22064 = T₄₉ + T₅₀ + ... + T₆₂.

22064 is nontrivially palindromic in base 6.

It is a Harshad number since it is a multiple of its sum of digits (14).

22064 is an undulating number in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22064.

It is not an unprimeable number, because it can be changed into a prime (22063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 210.

2²²⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24552).

22064 is an abundant number, since it is smaller than the sum of its proper divisors (27040).

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

22064 is a wasteful number, since it uses less digits than its factorization.

22064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22064 is about 148.5395570210. The cubic root of 22064 is about 28.0475382916.

Adding to 22064 its reverse (46022), we get a palindrome (68086).

The spelling of 22064 in words is "twenty-two thousand, sixty-four".