22441443 has 4 divisors (see below), whose sum is σ = 29921928. Its totient is φ = 14960960.

The previous prime is 22441379. The next prime is 22441459. The reversal of 22441443 is 34414422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22441443 - 2⁶ = 22441379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22441483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740238 + ... + 3740243.

It is an arithmetic number, because the mean of its divisors is an integer number (7480482).

Almost surely, 2^22441443 is an apocalyptic number.

22441443 is a deficient number, since it is larger than the sum of its proper divisors (7480485).

22441443 is an equidigital number, since it uses as much as digits as its factorization.

22441443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480484.

The product of its digits is 3072, while the sum is 24.

The square root of 22441443 is about 4737.2400192517. The cubic root of 22441443 is about 282.0656881331.

Adding to 22441443 its reverse (34414422), we get a palindrome (56855865).

The spelling of 22441443 in words is "twenty-two million, four hundred forty-one thousand, four hundred forty-three".