35066221 has 2 divisors, whose sum is σ = 35066222. Its totient is φ = 35066220.

The previous prime is 35066219. The next prime is 35066243. The reversal of 35066221 is 12266053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 10176100 = 4989^2 + 3190^2 .

It is an emirp because it is prime and its reverse (12266053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35066221 - 2¹ = 35066219 is a prime.

Together with 35066219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35066621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17533110 + 17533111.

It is an arithmetic number, because the mean of its divisors is an integer number (17533111).

Almost surely, 2^35066221 is an apocalyptic number.

It is an amenable number.

35066221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35066221 is an equidigital number, since it uses as much as digits as its factorization.

35066221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 35066221 is about 5921.6738343141. The cubic root of 35066221 is about 327.3127994119.

The spelling of 35066221 in words is "thirty-five million, sixty-six thousand, two hundred twenty-one".