22243375 has 32 divisors (see below), whose sum is σ = 34624512. Its totient is φ = 13860000.

The previous prime is 22243363. The next prime is 22243379. The reversal of 22243375 is 57334222.

It is not a de Polignac number, because 22243375 - 2¹¹ = 22241327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243379) 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 31 ways as a sum of consecutive naturals, for example, 8470 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (1082016).

Almost surely, 2^22243375 is an apocalyptic number.

22243375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22243375 is a deficient number, since it is larger than the sum of its proper divisors (12381137).

22243375 is a wasteful number, since it uses less digits than its factorization.

22243375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2334 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 22243375 is about 4716.2882651509. The cubic root of 22243375 is about 281.2333981970.

Adding to 22243375 its reverse (57334222), we get a palindrome (79577597).

The spelling of 22243375 in words is "twenty-two million, two hundred forty-three thousand, three hundred seventy-five".