22204532 has 24 divisors (see below), whose sum is σ = 45165120. Its totient is φ = 9354240.

The previous prime is 22204531. The next prime is 22204541. The reversal of 22204532 is 23540222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204531) 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 7 ways as a sum of consecutive naturals, for example, 5069 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (1881880).

Almost surely, 2^22204532 is an apocalyptic number.

It is an amenable number.

22204532 is an abundant number, since it is smaller than the sum of its proper divisors (22960588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22204532 is a wasteful number, since it uses less digits than its factorization.

22204532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511 (or 13509 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22204532 is about 4712.1685029294. The cubic root of 22204532 is about 281.0695994061.

Adding to 22204532 its reverse (23540222), we get a palindrome (45744754).

The spelling of 22204532 in words is "twenty-two million, two hundred four thousand, five hundred thirty-two".