22133224 has 16 divisors (see below), whose sum is σ = 42283620. Its totient is φ = 10857600.

The previous prime is 22133203. The next prime is 22133263. The reversal of 22133224 is 42233122.

It can be written as a sum of positive squares in 2 ways, for example, as 20088324 + 2044900 = 4482^2 + 1430^2 .

It is an unprimeable number.

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, 25677 + ... + 26524.

Almost surely, 2^22133224 is an apocalyptic number.

It is an amenable number.

22133224 is a deficient number, since it is larger than the sum of its proper divisors (20150396).

22133224 is a wasteful number, since it uses less digits than its factorization.

22133224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52260 (or 52256 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 22133224 is about 4704.5960506722. The cubic root of 22133224 is about 280.7683995683.

Adding to 22133224 its reverse (42233122), we get a palindrome (64366346).

The spelling of 22133224 in words is "twenty-two million, one hundred thirty-three thousand, two hundred twenty-four".