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3242221 is a prime number
BaseRepresentation
bin1100010111100011101101
320002201111021
430113203231
51312222341
6153254141
736362353
oct14274355
96081437
103242221
111914a24
121104351
13896998
146057d3
154409d1
hex3178ed

3242221 has 2 divisors, whose sum is σ = 3242222. Its totient is φ = 3242220.

The previous prime is 3242209. The next prime is 3242237. The reversal of 3242221 is 1222423.

It is an a-pointer prime, because the next prime (3242237) can be obtained adding 3242221 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 1022121 = 1490^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242221 - 27 = 3242093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3242195 and 3242204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3242251) 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, 1621110 + 1621111.

It is an arithmetic number, because the mean of its divisors is an integer number (1621111).

Almost surely, 23242221 is an apocalyptic number.

It is an amenable number.

3242221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3242221 is an equidigital number, since it uses as much as digits as its factorization.

3242221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 16.

The square root of 3242221 is about 1800.6168387528. The cubic root of 3242221 is about 148.0065282000.

Adding to 3242221 its reverse (1222423), we get a palindrome (4464644).

The spelling of 3242221 in words is "three million, two hundred forty-two thousand, two hundred twenty-one".