22434943 has 4 divisors (see below), whose sum is σ = 22444840. Its totient is φ = 22425048.

The previous prime is 22434889. The next prime is 22434977. The reversal of 22434943 is 34943422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22434943 - 2⁹ = 22434431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434743) 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, 328 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (5611210).

Almost surely, 2^22434943 is an apocalyptic number.

22434943 is a deficient number, since it is larger than the sum of its proper divisors (9897).

22434943 is an equidigital number, since it uses as much as digits as its factorization.

22434943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896.

The product of its digits is 20736, while the sum is 31.

The square root of 22434943 is about 4736.5539160871. The cubic root of 22434943 is about 282.0384527482.

The spelling of 22434943 in words is "twenty-two million, four hundred thirty-four thousand, nine hundred forty-three".