22443200 has 126 divisors (see below), whose sum is σ = 60519564. Its totient is φ = 8186880.

The previous prime is 22443139. The next prime is 22443229. The reversal of 22443200 is 234422.

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 17 ways as a sum of consecutive naturals, for example, 270359 + ... + 270441.

It is an arithmetic number, because the mean of its divisors is an integer number (480314).

Almost surely, 2^22443200 is an apocalyptic number.

22443200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30259782).

22443200 is an abundant number, since it is smaller than the sum of its proper divisors (38076364).

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

22443200 is a wasteful number, since it uses less digits than its factorization.

22443200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22443200 is about 4737.4254611550. The cubic root of 22443200 is about 282.0730491642.

Adding to 22443200 its reverse (234422), we get a palindrome (22677622).

The spelling of 22443200 in words is "twenty-two million, four hundred forty-three thousand, two hundred".