22344423 has 4 divisors (see below), whose sum is σ = 29792568. Its totient is φ = 14896280.

The previous prime is 22344419. The next prime is 22344451. The reversal of 22344423 is 32444322.

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 22344423 - 2² = 22344419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22344393 and 22344402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22348423) 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, 3724068 + ... + 3724073.

It is an arithmetic number, because the mean of its divisors is an integer number (7448142).

Almost surely, 2^22344423 is an apocalyptic number.

22344423 is a deficient number, since it is larger than the sum of its proper divisors (7448145).

22344423 is an equidigital number, since it uses as much as digits as its factorization.

22344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448144.

The product of its digits is 4608, while the sum is 24.

The square root of 22344423 is about 4726.9887878014. The cubic root of 22344423 is about 281.6586206557.

Adding to 22344423 its reverse (32444322), we get a palindrome (54788745).

The spelling of 22344423 in words is "twenty-two million, three hundred forty-four thousand, four hundred twenty-three".