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1222222303 is a prime number
BaseRepresentation
bin100100011011001…
…1010000111011111
310011011211022210201
41020312122013133
510000342103203
6321140244331
742200501221
oct11066320737
93134738721
101222222303
11577a04785
122a13a06a7
131662a5283
14b8476411
1572479e1d
hex48d9a1df

1222222303 has 2 divisors, whose sum is σ = 1222222304. Its totient is φ = 1222222302.

The previous prime is 1222222289. The next prime is 1222222333. The reversal of 1222222303 is 3032222221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222222303 - 213 = 1222214111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222222333) 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, 611111151 + 611111152.

It is an arithmetic number, because the mean of its divisors is an integer number (611111152).

Almost surely, 21222222303 is an apocalyptic number.

1222222303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222222303 is an equidigital number, since it uses as much as digits as its factorization.

1222222303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1222222303 is about 34960.2960942839. The cubic root of 1222222303 is about 1069.1781335529.

Adding to 1222222303 its reverse (3032222221), we get a palindrome (4254444524).

The spelling of 1222222303 in words is "one billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred three".