1000221083 has 2 divisors, whose sum is σ = 1000221084. Its totient is φ = 1000221082.

The previous prime is 1000221017. The next prime is 1000221109. The reversal of 1000221083 is 3801220001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000221083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000221583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500110541 + 500110542.

It is an arithmetic number, because the mean of its divisors is an integer number (500110542).

Almost surely, 2^1000221083 is an apocalyptic number.

1000221083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000221083 is an equidigital number, since it uses as much as digits as its factorization.

1000221083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1000221083 is about 31626.2720376588. The cubic root of 1000221083 is about 1000.0736889031.

Adding to 1000221083 its reverse (3801220001), we get a palindrome (4801441084).

The spelling of 1000221083 in words is "one billion, two hundred twenty-one thousand, eighty-three".