Base | Representation |
---|---|
bin | 1000011101110011011101 |
3 | 11011202012200 |
4 | 20131303131 |
5 | 1032003404 |
6 | 115322113 |
7 | 24602025 |
oct | 10356335 |
9 | 4152180 |
10 | 2219229 |
11 | 1286381 |
12 | 8b0339 |
13 | 5c916c |
14 | 41aa85 |
15 | 2dc839 |
hex | 21dcdd |
2219229 has 12 divisors (see below), whose sum is σ = 3224832. Its totient is φ = 1470600.
The previous prime is 2219221. The next prime is 2219251. The reversal of 2219229 is 9229122.
It is not a de Polignac number, because 2219229 - 23 = 2219221 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.
2219229 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2219221) 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 in 11 ways as a sum of consecutive naturals, for example, 1074 + ... + 2364.
It is an arithmetic number, because the mean of its divisors is an integer number (268736).
22219229 is an apocalyptic number.
It is an amenable number.
2219229 is a deficient number, since it is larger than the sum of its proper divisors (1005603).
2219229 is a wasteful number, since it uses less digits than its factorization.
2219229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1488 (or 1485 counting only the distinct ones).
The product of its digits is 1296, while the sum is 27.
The square root of 2219229 is about 1489.7076894478. The cubic root of 2219229 is about 130.4369713691.
The spelling of 2219229 in words is "two million, two hundred nineteen thousand, two hundred twenty-nine".
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