221083 has 2 divisors, whose sum is σ = 221084. Its totient is φ = 221082.

The previous prime is 221077. The next prime is 221087. The reversal of 221083 is 380122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221083 - 2¹⁷ = 90011 is a prime.

221083 is a lucky number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (221087) 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 as a sum of consecutive naturals, namely, 110541 + 110542.

It is an arithmetic number, because the mean of its divisors is an integer number (110542).

2²²¹⁰⁸³ is an apocalyptic number.

221083 is a deficient number, since it is larger than the sum of its proper divisors (1).

221083 is an equidigital number, since it uses as much as digits as its factorization.

221083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221083 is about 470.1946405479. The cubic root of 221083 is about 60.4670038411.

The spelling of 221083 in words is "two hundred twenty-one thousand, eighty-three".