22224533 has 4 divisors (see below), whose sum is σ = 22601280. Its totient is φ = 21847788.

The previous prime is 22224497. The next prime is 22224539. The reversal of 22224533 is 33542222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22224533 - 2¹⁸ = 21962389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22224499 and 22224508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188285 + ... + 188402.

It is an arithmetic number, because the mean of its divisors is an integer number (5650320).

Almost surely, 2^22224533 is an apocalyptic number.

It is an amenable number.

22224533 is a deficient number, since it is larger than the sum of its proper divisors (376747).

22224533 is an equidigital number, since it uses as much as digits as its factorization.

22224533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376746.

The product of its digits is 2880, while the sum is 23.

The square root of 22224533 is about 4714.2902965346. The cubic root of 22224533 is about 281.1539663568.

Adding to 22224533 its reverse (33542222), we get a palindrome (55766755).

The spelling of 22224533 in words is "twenty-two million, two hundred twenty-four thousand, five hundred thirty-three".