22024 has 8 divisors (see below), whose sum is σ = 41310. Its totient is φ = 11008.

The previous prime is 22013. The next prime is 22027. The reversal of 22024 is 42022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13924 + 8100 = 118^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22024.

It is a congruent number.

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

22024 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369 + ... + 1384.

2²²⁰²⁴ is an apocalyptic number.

It is an amenable number.

22024 is a deficient number, since it is larger than the sum of its proper divisors (19286).

22024 is a wasteful number, since it uses less digits than its factorization.

22024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 22024 is about 148.4048516727. The cubic root of 22024 is about 28.0305788376.

Adding to 22024 its reverse (42022), we get a palindrome (64046).

The spelling of 22024 in words is "twenty-two thousand, twenty-four", and thus it is an iban number.