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2441221 is a prime number
BaseRepresentation
bin1001010100000000000101
311121000201121
421110000011
51111104341
6124153541
726515156
oct11240005
94530647
102441221
111418142
129988b1
13676213
1447792d
153334d1
hex254005

2441221 has 2 divisors, whose sum is σ = 2441222. Its totient is φ = 2441220.

The previous prime is 2441209. The next prime is 2441237. The reversal of 2441221 is 1221442.

It is an a-pointer prime, because the next prime (2441237) can be obtained adding 2441221 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., 1718721 + 722500 = 1311^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2441221 - 25 = 2441189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2441195 and 2441204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2441521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220610 + 1220611.

It is an arithmetic number, because the mean of its divisors is an integer number (1220611).

22441221 is an apocalyptic number.

It is an amenable number.

2441221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2441221 is an equidigital number, since it uses as much as digits as its factorization.

2441221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 16.

The square root of 2441221 is about 1562.4407188754. The cubic root of 2441221 is about 134.6487623105.

Adding to 2441221 its reverse (1221442), we get a palindrome (3662663).

It can be divided in two parts, 2441 and 221, that added together give a palindrome (2662).

The spelling of 2441221 in words is "two million, four hundred forty-one thousand, two hundred twenty-one".