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9221085 = 325204913
BaseRepresentation
bin100011001011…
…001111011101
3122100110221200
4203023033131
54330033320
6525350113
7141243426
oct43131735
918313850
109221085
115228a35
123108339
131bab183
14132064d
15c22290
hex8cb3dd

9221085 has 12 divisors (see below), whose sum is σ = 15983292. Its totient is φ = 4917888.

The previous prime is 9221083. The next prime is 9221087. The reversal of 9221085 is 5801229.

9221085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9221083) and next prime (9221087).

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 4372281 = 2202^2 + 2091^2 .

It is not a de Polignac number, because 9221085 - 21 = 9221083 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102412 + ... + 102501.

It is an arithmetic number, because the mean of its divisors is an integer number (1331941).

Almost surely, 29221085 is an apocalyptic number.

It is an amenable number.

9221085 is a deficient number, since it is larger than the sum of its proper divisors (6762207).

9221085 is a wasteful number, since it uses less digits than its factorization.

9221085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204924 (or 204921 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9221085 is about 3036.6239477420. The cubic root of 9221085 is about 209.6978648346.

The spelling of 9221085 in words is "nine million, two hundred twenty-one thousand, eighty-five".

Divisors: 1 3 5 9 15 45 204913 614739 1024565 1844217 3073695 9221085