92221 has 2 divisors, whose sum is σ = 92222. Its totient is φ = 92220.
The previous prime is 92219. The next prime is 92227. The reversal of 92221 is 12229.
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., 72900 + 19321 = 270^2 + 139^2 .
It is a cyclic number.
It is not a de Polignac number, because 92221 - 21 = 92219 is a prime.
Together with 92219, it forms a pair of twin primes.
It is a nialpdrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 92195 and 92204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (92227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46110 + 46111.
It is an arithmetic number, because the mean of its divisors is an integer number (46111).
292221 is an apocalyptic number.
It is an amenable number.
92221 is a deficient number, since it is larger than the sum of its proper divisors (1).
92221 is an equidigital number, since it uses as much as digits as its factorization.
92221 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 72, while the sum is 16.
The square root of 92221 is about 303.6791069534. The cubic root of 92221 is about 45.1796930213.
It can be divided in two parts, 92 and 221, that added together give a palindrome (313).
The spelling of 92221 in words is "ninety-two thousand, two hundred twenty-one".
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