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4422005 = 57218049
BaseRepresentation
bin10000110111100101110101
322022122211222
4100313211311
52113001010
6234440125
752405100
oct20674565
98278758
104422005
112550355
121593045
13bba993
14831737
155c5355
hex437975

4422005 has 12 divisors (see below), whose sum is σ = 6173100. Its totient is φ = 3032064.

The previous prime is 4421999. The next prime is 4422017. The reversal of 4422005 is 5002244.

It can be written as a sum of positive squares in 2 ways, for example, as 2798929 + 1623076 = 1673^2 + 1274^2 .

It is not a de Polignac number, because 4422005 - 26 = 4421941 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 8780 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (514425).

Almost surely, 24422005 is an apocalyptic number.

It is an amenable number.

4422005 is a deficient number, since it is larger than the sum of its proper divisors (1751095).

4422005 is a wasteful number, since it uses less digits than its factorization.

4422005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068 (or 18061 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4422005 is about 2102.8563907219. The cubic root of 4422005 is about 164.1369691558.

Adding to 4422005 its reverse (5002244), we get a palindrome (9424249).

The spelling of 4422005 in words is "four million, four hundred twenty-two thousand, five".

Divisors: 1 5 7 35 49 245 18049 90245 126343 631715 884401 4422005