102220297 has 2 divisors, whose sum is σ = 102220298. Its totient is φ = 102220296.

The previous prime is 102220271. The next prime is 102220343. The reversal of 102220297 is 792022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102030201 + 190096 = 10101^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220297 - 2⁷ = 102220169 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110148 + 51110149.

It is an arithmetic number, because the mean of its divisors is an integer number (51110149).

Almost surely, 2^102220297 is an apocalyptic number.

It is an amenable number.

102220297 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220297 is an equidigital number, since it uses as much as digits as its factorization.

102220297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 102220297 is about 10110.4053825749. The cubic root of 102220297 is about 467.5690035124.

Adding to 102220297 its reverse (792022201), we get a palindrome (894242498).

The spelling of 102220297 in words is "one hundred two million, two hundred twenty thousand, two hundred ninety-seven".