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2222663 is a prime number
BaseRepresentation
bin1000011110101001000111
311011220220212
420132221013
51032111123
6115350035
724615032
oct10365107
94156825
102222663
111288a13
128b231b
135ca8b1
1441c019
152dd878
hex21ea47

2222663 has 2 divisors, whose sum is σ = 2222664. Its totient is φ = 2222662.

The previous prime is 2222659. The next prime is 2222683. The reversal of 2222663 is 3662222.

It is a happy number.

2222663 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 2222663 - 22 = 2222659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222653) 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, 1111331 + 1111332.

It is an arithmetic number, because the mean of its divisors is an integer number (1111332).

22222663 is an apocalyptic number.

2222663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222663 is an equidigital number, since it uses as much as digits as its factorization.

2222663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 2222663 is about 1490.8598190306. The cubic root of 2222663 is about 130.5042154019.

Adding to 2222663 its reverse (3662222), we get a palindrome (5884885).

It can be divided in two parts, 2222 and 663, that multiplied together give a triangular number (1473186 = T1716).

The spelling of 2222663 in words is "two million, two hundred twenty-two thousand, six hundred sixty-three".