22342243 has 16 divisors (see below), whose sum is σ = 28028160. Its totient is φ = 17301600.

The previous prime is 22342231. The next prime is 22342261. The reversal of 22342243 is 34224322.

It is a cyclic number.

It is not a de Polignac number, because 22342243 - 2⁵ = 22342211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22342213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12973 + ... + 14593.

It is an arithmetic number, because the mean of its divisors is an integer number (1751760).

Almost surely, 2^22342243 is an apocalyptic number.

22342243 is a deficient number, since it is larger than the sum of its proper divisors (5685917).

22342243 is a wasteful number, since it uses less digits than its factorization.

22342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818.

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

The square root of 22342243 is about 4726.7581914035. The cubic root of 22342243 is about 281.6494604913.

Adding to 22342243 its reverse (34224322), we get a palindrome (56566565).

The spelling of 22342243 in words is "twenty-two million, three hundred forty-two thousand, two hundred forty-three".