22223443 has 4 divisors (see below), whose sum is σ = 24243768. Its totient is φ = 20203120.

The previous prime is 22223429. The next prime is 22223473. The reversal of 22223443 is 34432222.

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 22223443 - 2²¹ = 20126291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223413) 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, 1010146 + ... + 1010167.

It is an arithmetic number, because the mean of its divisors is an integer number (6060942).

Almost surely, 2^22223443 is an apocalyptic number.

22223443 is a deficient number, since it is larger than the sum of its proper divisors (2020325).

22223443 is a wasteful number, since it uses less digits than its factorization.

22223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020324.

The product of its digits is 2304, while the sum is 22.

The square root of 22223443 is about 4714.1746891688. The cubic root of 22223443 is about 281.1493698923.

Adding to 22223443 its reverse (34432222), we get a palindrome (56655665).

It can be divided in two parts, 2222 and 3443, that added together give a palindrome (5665).

The spelling of 22223443 in words is "twenty-two million, two hundred twenty-three thousand, four hundred forty-three".