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10844221 is a prime number
BaseRepresentation
bin101001010111…
…100000111101
3202101221110211
4221113200331
510234003341
61024232421
7161113543
oct51274075
922357424
1010844221
116137473
12376b711
132328bcb
141623d93
15e43181
hexa5783d

10844221 has 2 divisors, whose sum is σ = 10844222. Its totient is φ = 10844220.

The previous prime is 10844209. The next prime is 10844257. The reversal of 10844221 is 12244801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10692900 + 151321 = 3270^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 10844221 - 211 = 10842173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10844192 and 10844201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10844291) 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, 5422110 + 5422111.

It is an arithmetic number, because the mean of its divisors is an integer number (5422111).

Almost surely, 210844221 is an apocalyptic number.

It is an amenable number.

10844221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10844221 is an equidigital number, since it uses as much as digits as its factorization.

10844221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 10844221 is about 3293.0564829653. The cubic root of 10844221 is about 221.3431671632.

The spelling of 10844221 in words is "ten million, eight hundred forty-four thousand, two hundred twenty-one".