10097221 has 2 divisors, whose sum is σ = 10097222. Its totient is φ = 10097220.

The previous prime is 10097203. The next prime is 10097233. The reversal of 10097221 is 12279001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 3132900 = 2639^2 + 1770^2 .

It is a cyclic number.

It is not a de Polignac number, because 10097221 - 2⁷ = 10097093 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10097192 and 10097201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10097251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5048610 + 5048611.

It is an arithmetic number, because the mean of its divisors is an integer number (5048611).

Almost surely, 2^10097221 is an apocalyptic number.

It is an amenable number.

10097221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10097221 is an equidigital number, since it uses as much as digits as its factorization.

10097221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 10097221 is about 3177.6124685052. The cubic root of 10097221 is about 216.1394061786.

The spelling of 10097221 in words is "ten million, ninety-seven thousand, two hundred twenty-one".