22243675 has 6 divisors (see below), whose sum is σ = 27582188. Its totient is φ = 17794920.

The previous prime is 22243673. The next prime is 22243687. The reversal of 22243675 is 57634222.

It is not a de Polignac number, because 22243675 - 2¹ = 22243673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444849 + ... + 444898.

Almost surely, 2^22243675 is an apocalyptic number.

22243675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22243675 is a deficient number, since it is larger than the sum of its proper divisors (5338513).

22243675 is an equidigital number, since it uses as much as digits as its factorization.

22243675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889757 (or 889752 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 22243675 is about 4716.3200697154. The cubic root of 22243675 is about 281.2346625381.

Adding to 22243675 its reverse (57634222), we get a palindrome (79877897).

The spelling of 22243675 in words is "twenty-two million, two hundred forty-three thousand, six hundred seventy-five".