22432452 has 96 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 5761536.

The previous prime is 22432447. The next prime is 22432477. The reversal of 22432452 is 25423422.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 32503 + ... + 33185.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^22432452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22432452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33094656).

22432452 is an abundant number, since it is smaller than the sum of its proper divisors (43756860).

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

22432452 is a wasteful number, since it uses less digits than its factorization.

22432452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 735 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 22432452 is about 4736.2909539005. The cubic root of 22432452 is about 282.0280139164.

Adding to 22432452 its reverse (25423422), we get a palindrome (47855874).

The spelling of 22432452 in words is "twenty-two million, four hundred thirty-two thousand, four hundred fifty-two".