22434443 has 4 divisors (see below), whose sum is σ = 22532640. Its totient is φ = 22336248.

The previous prime is 22434439. The next prime is 22434457. The reversal of 22434443 is 34443422.

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 22434443 - 2² = 22434439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22434403) 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, 48755 + ... + 49212.

It is an arithmetic number, because the mean of its divisors is an integer number (5633160).

Almost surely, 2^22434443 is an apocalyptic number.

22434443 is a deficient number, since it is larger than the sum of its proper divisors (98197).

22434443 is an equidigital number, since it uses as much as digits as its factorization.

22434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98196.

The product of its digits is 9216, while the sum is 26.

The square root of 22434443 is about 4736.5011348040. The cubic root of 22434443 is about 282.0363575007.

Adding to 22434443 its reverse (34443422), we get a palindrome (56877865).

The spelling of 22434443 in words is "twenty-two million, four hundred thirty-four thousand, four hundred forty-three".