10221073 has 2 divisors, whose sum is σ = 10221074. Its totient is φ = 10221072.

The previous prime is 10221067. The next prime is 10221077. The reversal of 10221073 is 37012201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5798464 + 4422609 = 2408^2 + 2103^2 .

It is an emirp because it is prime and its reverse (37012201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221073 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221077) 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, 5110536 + 5110537.

It is an arithmetic number, because the mean of its divisors is an integer number (5110537).

Almost surely, 2^10221073 is an apocalyptic number.

It is an amenable number.

10221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221073 is an equidigital number, since it uses as much as digits as its factorization.

10221073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10221073 is about 3197.0412884415. The cubic root of 10221073 is about 217.0195357128.

Adding to 10221073 its reverse (37012201), we get a palindrome (47233274).

The spelling of 10221073 in words is "ten million, two hundred twenty-one thousand, seventy-three".