22022 has 24 divisors (see below), whose sum is σ = 44688. Its totient is φ = 7920.

The previous prime is 22013. The next prime is 22027.

22022 is nontrivially palindromic in base 6 and base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027) by changing a digit.

22022 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 in 11 ways as a sum of consecutive naturals, for example, 1688 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (1862).

2²²⁰²² is an apocalyptic number.

22022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022 is an abundant number, since it is smaller than the sum of its proper divisors (22666).

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 (22344).

22022 is a wasteful number, since it uses less digits than its factorization.

22022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 22022 is about 148.3981131956. The cubic root of 22022 is about 28.0297303260.

It can be divided in two parts, 220 and 22, that added together give a palindrome (242).

The spelling of 22022 in words is "twenty-two thousand, twenty-two", and thus it is an iban number.