97068221 has 2 divisors, whose sum is σ = 97068222. Its totient is φ = 97068220.

The previous prime is 97068217. The next prime is 97068227. The reversal of 97068221 is 12286079.

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., 94848121 + 2220100 = 9739^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 97068221 - 2² = 97068217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97068227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48534110 + 48534111.

It is an arithmetic number, because the mean of its divisors is an integer number (48534111).

Almost surely, 2^97068221 is an apocalyptic number.

It is an amenable number.

97068221 is a deficient number, since it is larger than the sum of its proper divisors (1).

97068221 is an equidigital number, since it uses as much as digits as its factorization.

97068221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 97068221 is about 9852.3205895870. The cubic root of 97068221 is about 459.5777805035.

The spelling of 97068221 in words is "ninety-seven million, sixty-eight thousand, two hundred twenty-one".