22213132 has 12 divisors (see below), whose sum is σ = 39258576. Its totient is φ = 10996400.

The previous prime is 22213127. The next prime is 22213133. The reversal of 22213132 is 23131222.

It is not an unprimeable number, because it can be changed into a prime (22213133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27088 + ... + 27895.

It is an arithmetic number, because the mean of its divisors is an integer number (3271548).

Almost surely, 2^22213132 is an apocalyptic number.

It is an amenable number.

22213132 is a deficient number, since it is larger than the sum of its proper divisors (17045444).

22213132 is a wasteful number, since it uses less digits than its factorization.

22213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55088 (or 55086 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 22213132 is about 4713.0809456236. The cubic root of 22213132 is about 281.1058815872.

Adding to 22213132 its reverse (23131222), we get a palindrome (45344354).

The spelling of 22213132 in words is "twenty-two million, two hundred thirteen thousand, one hundred thirty-two".