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2221227 = 32246803
BaseRepresentation
bin1000011110010010101011
311011211221200
420132102223
51032034402
6115335243
724610611
oct10362253
94154850
102221227
111287928
128b1523
135ca048
1441b6b1
152dd21c
hex21e4ab

2221227 has 6 divisors (see below), whose sum is σ = 3208452. Its totient is φ = 1480812.

The previous prime is 2221217. The next prime is 2221229. The reversal of 2221227 is 7221222.

It is a happy number.

2221227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221227 - 28 = 2220971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123393 + ... + 123410.

It is an arithmetic number, because the mean of its divisors is an integer number (534742).

22221227 is an apocalyptic number.

2221227 is a deficient number, since it is larger than the sum of its proper divisors (987225).

2221227 is a wasteful number, since it uses less digits than its factorization.

2221227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246809 (or 246806 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 2221227 is about 1490.3781399363. The cubic root of 2221227 is about 130.4761043137.

Adding to 2221227 its reverse (7221222), we get a palindrome (9442449).

The spelling of 2221227 in words is "two million, two hundred twenty-one thousand, two hundred twenty-seven".

Divisors: 1 3 9 246803 740409 2221227