22241443 has 6 divisors (see below), whose sum is σ = 25872756. Its totient is φ = 19064052.

The previous prime is 22241441. The next prime is 22241447. The reversal of 22241443 is 34414222.

It is a happy number.

It is not a de Polignac number, because 22241443 - 2¹ = 22241441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22241441) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 226905 + ... + 227002.

It is an arithmetic number, because the mean of its divisors is an integer number (4312126).

Almost surely, 2^22241443 is an apocalyptic number.

22241443 is a deficient number, since it is larger than the sum of its proper divisors (3631313).

22241443 is an equidigital number, since it uses as much as digits as its factorization.

22241443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453921 (or 453914 counting only the distinct ones).

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

The square root of 22241443 is about 4716.0834386173. The cubic root of 22241443 is about 281.2252555679.

Adding to 22241443 its reverse (34414222), we get a palindrome (56655665).

The spelling of 22241443 in words is "twenty-two million, two hundred forty-one thousand, four hundred forty-three".