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2221255103 is a prime number
BaseRepresentation
bin1000010001100101…
…1010100110111111
312201210200110011112
42010121122212333
514022120130403
61004225112235
7106021233254
oct20431324677
95653613145
102221255103
11a3a927921
1251ba8867b
13295264142
1417101142b
15d00199d8
hex8465a9bf

2221255103 has 2 divisors, whose sum is σ = 2221255104. Its totient is φ = 2221255102.

The previous prime is 2221255079. The next prime is 2221255123. The reversal of 2221255103 is 3015521222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221255103 - 224 = 2204477887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221255123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110627551 + 1110627552.

It is an arithmetic number, because the mean of its divisors is an integer number (1110627552).

Almost surely, 22221255103 is an apocalyptic number.

2221255103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221255103 is an equidigital number, since it uses as much as digits as its factorization.

2221255103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2221255103 is about 47130.1931143932. The cubic root of 2221255103 is about 1304.7665457332.

Adding to 2221255103 its reverse (3015521222), we get a palindrome (5236776325).

The spelling of 2221255103 in words is "two billion, two hundred twenty-one million, two hundred fifty-five thousand, one hundred three".