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2222251 is a prime number
BaseRepresentation
bin1000011110100010101011
311011220100121
420132202223
51032103001
6115344111
724613603
oct10364253
94156317
102222251
111288679
128b2037
135ca655
1441bc03
152dd6a1
hex21e8ab

2222251 has 2 divisors, whose sum is σ = 2222252. Its totient is φ = 2222250.

The previous prime is 2222249. The next prime is 2222263. The reversal of 2222251 is 1522222.

2222251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222251 - 21 = 2222249 is a prime.

Together with 2222249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2222281) 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 as a sum of consecutive naturals, namely, 1111125 + 1111126.

It is an arithmetic number, because the mean of its divisors is an integer number (1111126).

22222251 is an apocalyptic number.

2222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222251 is an equidigital number, since it uses as much as digits as its factorization.

2222251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 16.

The square root of 2222251 is about 1490.7216373287. The cubic root of 2222251 is about 130.4961513425.

Adding to 2222251 its reverse (1522222), we get a palindrome (3744473).

The spelling of 2222251 in words is "two million, two hundred twenty-two thousand, two hundred fifty-one".