30060221 has 2 divisors, whose sum is σ = 30060222. Its totient is φ = 30060220.

The previous prime is 30060197. The next prime is 30060253. The reversal of 30060221 is 12206003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 13980121 = 4010^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 30060221 - 2⁶ = 30060157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30060196 and 30060205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30060271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15030110 + 15030111.

It is an arithmetic number, because the mean of its divisors is an integer number (15030111).

Almost surely, 2^30060221 is an apocalyptic number.

It is an amenable number.

30060221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30060221 is an equidigital number, since it uses as much as digits as its factorization.

30060221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30060221 is about 5482.7202190154. The cubic root of 30060221 is about 310.9310234638.

Adding to 30060221 its reverse (12206003), we get a palindrome (42266224).

The spelling of 30060221 in words is "thirty million, sixty thousand, two hundred twenty-one".