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2226201209 = 18311215839
BaseRepresentation
bin1000010010110001…
…0010001001111001
312202010222201221122
42010230102021321
514024401414314
61004523115025
7106111253351
oct20454221171
95663881848
102226201209
11a426a5a11
12521672a75
132962a652b
1417193bb61
15d069528e
hex84b12279

2226201209 has 4 divisors (see below), whose sum is σ = 2227418880. Its totient is φ = 2224983540.

The previous prime is 2226201199. The next prime is 2226201227. The reversal of 2226201209 is 9021026222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2226201209 - 24 = 2226201193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2226201239) 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 3 ways as a sum of consecutive naturals, for example, 606089 + ... + 609750.

It is an arithmetic number, because the mean of its divisors is an integer number (556854720).

Almost surely, 22226201209 is an apocalyptic number.

It is an amenable number.

2226201209 is a deficient number, since it is larger than the sum of its proper divisors (1217671).

2226201209 is a wasteful number, since it uses less digits than its factorization.

2226201209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217670.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2226201209 is about 47182.6367321709. The cubic root of 2226201209 is about 1305.7342763193.

The spelling of 2226201209 in words is "two billion, two hundred twenty-six million, two hundred one thousand, two hundred nine".

Divisors: 1 1831 1215839 2226201209