22349 has 2 divisors, whose sum is σ = 22350.
Its totient is φ = 22348.
The previous prime is 22343. The next prime is 22367. The reversal of 22349 is 94322.
It can be divided in two parts, 223 and 49, that added together give a palindrome (272).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15625 + 6724 = 125^2 + 82^2
It is a cyclic number.
It is not a de Polignac number, because 22349 - 28 = 22093 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a plaindrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 22349.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11174 + 11175.
It is an arithmetic number, because the mean of its divisors is an integer number (11175).
222349 is an apocalyptic number.
It is an amenable number.
22349 is a deficient number, since it is larger than the sum of its proper divisors (1).
22349 is an equidigital number, since it uses as much as digits as its factorization.
22349 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 432, while the sum is 20.
The square root of 22349 is about 149.4958193395.
The cubic root of 22349 is about 28.1677850861.
The spelling of 22349 in words is "twenty-two thousand, three hundred forty-nine".