23222443 has 4 divisors (see below), whose sum is σ = 23232088. Its totient is φ = 23212800.

The previous prime is 23222431. The next prime is 23222461. The reversal of 23222443 is 34422232.

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 23222443 - 2⁹ = 23221931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23222413) 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, 2155 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (5808022).

Almost surely, 2^23222443 is an apocalyptic number.

23222443 is a deficient number, since it is larger than the sum of its proper divisors (9645).

23222443 is an equidigital number, since it uses as much as digits as its factorization.

23222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644.

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

The square root of 23222443 is about 4818.9670054899. The cubic root of 23222443 is about 285.3005672784.

Adding to 23222443 its reverse (34422232), we get a palindrome (57644675).

The spelling of 23222443 in words is "twenty-three million, two hundred twenty-two thousand, four hundred forty-three".