22443275 has 24 divisors (see below), whose sum is σ = 30109680. Its totient is φ = 16536960.

The previous prime is 22443257. The next prime is 22443301. The reversal of 22443275 is 57234422.

It is not a de Polignac number, because 22443275 - 2¹⁶ = 22377739 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16937 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (1254570).

Almost surely, 2^22443275 is an apocalyptic number.

22443275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22443275 is a deficient number, since it is larger than the sum of its proper divisors (7666405).

22443275 is a wasteful number, since it uses less digits than its factorization.

22443275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1338 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 22443275 is about 4737.4333768402. The cubic root of 22443275 is about 282.0733633715.

Adding to 22443275 its reverse (57234422), we get a palindrome (79677697).

The spelling of 22443275 in words is "twenty-two million, four hundred forty-three thousand, two hundred seventy-five".