22241323 has 4 divisors (see below), whose sum is σ = 23952208. Its totient is φ = 20530440.

The previous prime is 22241309. The next prime is 22241327. The reversal of 22241323 is 32314222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32314222 = 2 ⋅16157111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22241323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22241323.

It is not an unprimeable number, because it can be changed into a prime (22241327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855423 + ... + 855448.

It is an arithmetic number, because the mean of its divisors is an integer number (5988052).

Almost surely, 2^22241323 is an apocalyptic number.

22241323 is a deficient number, since it is larger than the sum of its proper divisors (1710885).

22241323 is a wasteful number, since it uses less digits than its factorization.

22241323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710884.

The product of its digits is 576, while the sum is 19.

The square root of 22241323 is about 4716.0707161789. The cubic root of 22241323 is about 281.2247497990.

Adding to 22241323 its reverse (32314222), we get a palindrome (54555545).

The spelling of 22241323 in words is "twenty-two million, two hundred forty-one thousand, three hundred twenty-three".