22441432 has 64 divisors (see below), whose sum is σ = 49039200. Its totient is φ = 9538560.

The previous prime is 22441379. The next prime is 22441459. The reversal of 22441432 is 23414422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80878 + ... + 81154.

Almost surely, 2^22441432 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 22441432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24519600).

22441432 is an abundant number, since it is smaller than the sum of its proper divisors (26597768).

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

22441432 is a wasteful number, since it uses less digits than its factorization.

22441432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 352 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 22441432 is about 4737.2388582380. The cubic root of 22441432 is about 282.0656420469.

Adding to 22441432 its reverse (23414422), we get a palindrome (45855854).

The spelling of 22441432 in words is "twenty-two million, four hundred forty-one thousand, four hundred thirty-two".