201714221 has 2 divisors, whose sum is σ = 201714222. Its totient is φ = 201714220.

The previous prime is 201714217. The next prime is 201714239. The reversal of 201714221 is 122417102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164198596 + 37515625 = 12814^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 201714221 - 2² = 201714217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201714193 and 201714202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201710221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100857110 + 100857111.

It is an arithmetic number, because the mean of its divisors is an integer number (100857111).

Almost surely, 2^201714221 is an apocalyptic number.

It is an amenable number.

201714221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201714221 is an equidigital number, since it uses as much as digits as its factorization.

201714221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 201714221 is about 14202.6131750463. The cubic root of 201714221 is about 586.4696009015.

The spelling of 201714221 in words is "two hundred one million, seven hundred fourteen thousand, two hundred twenty-one".