22200132 has 24 divisors (see below), whose sum is σ = 54527200. Its totient is φ = 7010496.

The previous prime is 22200131. The next prime is 22200137. The reversal of 22200132 is 23100222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22200131) 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 7 ways as a sum of consecutive naturals, for example, 48457 + ... + 48912.

Almost surely, 2^22200132 is an apocalyptic number.

It is an amenable number.

22200132 is an abundant number, since it is smaller than the sum of its proper divisors (32327068).

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

22200132 is a wasteful number, since it uses less digits than its factorization.

22200132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97395 (or 97393 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22200132 is about 4711.7016034550. The cubic root of 22200132 is about 281.0510328069.

Adding to 22200132 its reverse (23100222), we get a palindrome (45300354).

The spelling of 22200132 in words is "twenty-two million, two hundred thousand, one hundred thirty-two".