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3030221 is a prime number
BaseRepresentation
bin1011100011110011001101
312200221200102
423203303031
51233431341
6144540445
734520315
oct13436315
95627612
103030221
11178a717
121021725
1382133c
1458c445
153ecc9b
hex2e3ccd

3030221 has 2 divisors, whose sum is σ = 3030222. Its totient is φ = 3030220.

The previous prime is 3030217. The next prime is 3030229. The reversal of 3030221 is 1220303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 373321 = 1630^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 3030221 - 22 = 3030217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3030229) 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, 1515110 + 1515111.

It is an arithmetic number, because the mean of its divisors is an integer number (1515111).

Almost surely, 23030221 is an apocalyptic number.

It is an amenable number.

3030221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3030221 is an equidigital number, since it uses as much as digits as its factorization.

3030221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3030221 is about 1740.7529979868. The cubic root of 3030221 is about 144.7076312551.

Adding to 3030221 its reverse (1220303), we get a palindrome (4250524).

The spelling of 3030221 in words is "three million, thirty thousand, two hundred twenty-one".