22304132 has 24 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 10535840.

The previous prime is 22304131. The next prime is 22304137. The reversal of 22304132 is 23140322.

It is a self number, because there is not a number n which added to its sum of digits gives 22304132.

It is not an unprimeable number, because it can be changed into a prime (22304131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^22304132 is an apocalyptic number.

It is an amenable number.

22304132 is a deficient number, since it is larger than the sum of its proper divisors (18943228).

22304132 is a wasteful number, since it uses less digits than its factorization.

22304132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22304132 is about 4722.7250608097. The cubic root of 22304132 is about 281.4892251375.

Adding to 22304132 its reverse (23140322), we get a palindrome (45444454).

The spelling of 22304132 in words is "twenty-two million, three hundred four thousand, one hundred thirty-two".