22340223 has 6 divisors (see below), whose sum is σ = 32269224. Its totient is φ = 14893476.

The previous prime is 22340161. The next prime is 22340249. The reversal of 22340223 is 32204322.

It is not a de Polignac number, because 22340223 - 2¹⁶ = 22274687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22340196 and 22340205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1241115 + ... + 1241132.

It is an arithmetic number, because the mean of its divisors is an integer number (5378204).

Almost surely, 2^22340223 is an apocalyptic number.

22340223 is a deficient number, since it is larger than the sum of its proper divisors (9929001).

22340223 is a wasteful number, since it uses less digits than its factorization.

22340223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482253 (or 2482250 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22340223 is about 4726.5445094699. The cubic root of 22340223 is about 281.6409721007.

Adding to 22340223 its reverse (32204322), we get a palindrome (54544545).

The spelling of 22340223 in words is "twenty-two million, three hundred forty thousand, two hundred twenty-three".