22273 has 2 divisors, whose sum is σ = 22274.
Its totient is φ = 22272.
The previous prime is 22271. The next prime is 22277. The reversal of 22273 is 37222.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11664 + 10609 = 108^2 + 103^2
It is a cyclic number.
It is not a de Polignac number, because 22273 - 21 = 22271 is a prime.
Together with 22271, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (22271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136 + 11137.
It is an arithmetic number, because the mean of its divisors is an integer number (11137).
It is a Proth number, since it is equal to 87 ⋅ 28 + 1 and 87 < 28.
222273 is an apocalyptic number.
It is an amenable number.
22273 is a deficient number, since it is larger than the sum of its proper divisors (1).
22273 is an equidigital number, since it uses as much as digits as its factorization.
22273 is an evil number, because the sum of its binary digits is even.
The product of its digits is 168, while the sum is 16.
The square root of 22273 is about 149.2414151635.
The cubic root of 22273 is about 28.1358197054.
Adding to 22273 its reverse (37222), we get a palindrome (59495).
It can be divided in two parts, 22 and 273, that multiplied together give a palindrome (6006).
The spelling of 22273 in words is "twenty-two thousand, two hundred seventy-three", and thus it is an iban number.