22204132 has 12 divisors (see below), whose sum is σ = 39062016. Its totient is φ = 11043560.

The previous prime is 22204121. The next prime is 22204139. The reversal of 22204132 is 23140222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204139) 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, 13768 + ... + 15295.

It is an arithmetic number, because the mean of its divisors is an integer number (3255168).

Almost surely, 2^22204132 is an apocalyptic number.

It is an amenable number.

22204132 is a deficient number, since it is larger than the sum of its proper divisors (16857884).

22204132 is a wasteful number, since it uses less digits than its factorization.

22204132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29258 (or 29256 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22204132 is about 4712.1260594343. The cubic root of 22204132 is about 281.0679116348.

Adding to 22204132 its reverse (23140222), we get a palindrome (45344354).

The spelling of 22204132 in words is "twenty-two million, two hundred four thousand, one hundred thirty-two".