102218293 has 2 divisors, whose sum is σ = 102218294. Its totient is φ = 102218292.

The previous prime is 102218287. The next prime is 102218299. The reversal of 102218293 is 392812201.

It is a balanced prime because it is at equal distance from previous prime (102218287) and next prime (102218299).

It can be written as a sum of positive squares in only one way, i.e., 100761444 + 1456849 = 10038^2 + 1207^2 .

It is an emirp because it is prime and its reverse (392812201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102218293 - 2⁹ = 102217781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102218299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51109146 + 51109147.

It is an arithmetic number, because the mean of its divisors is an integer number (51109147).

Almost surely, 2^102218293 is an apocalyptic number.

It is an amenable number.

102218293 is a deficient number, since it is larger than the sum of its proper divisors (1).

102218293 is an equidigital number, since it uses as much as digits as its factorization.

102218293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 102218293 is about 10110.3062762708. The cubic root of 102218293 is about 467.5659479730.

The spelling of 102218293 in words is "one hundred two million, two hundred eighteen thousand, two hundred ninety-three".