22243533 has 16 divisors (see below), whose sum is σ = 32261376. Its totient is φ = 13550400.

The previous prime is 22243511. The next prime is 22243537. The reversal of 22243533 is 33534222.

It is not a de Polignac number, because 22243533 - 2²¹ = 20146381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243537) 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 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (2016336).

Almost surely, 2^22243533 is an apocalyptic number.

It is an amenable number.

22243533 is a deficient number, since it is larger than the sum of its proper divisors (10017843).

22243533 is a wasteful number, since it uses less digits than its factorization.

22243533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764.

The product of its digits is 4320, while the sum is 24.

The square root of 22243533 is about 4716.3050155816. The cubic root of 22243533 is about 281.2340640847.

Adding to 22243533 its reverse (33534222), we get a palindrome (55777755).

The spelling of 22243533 in words is "twenty-two million, two hundred forty-three thousand, five hundred thirty-three".