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1222123303 is a prime number
BaseRepresentation
bin100100011011000…
…0001111100100111
310011011122022000001
41020312001330213
510000330421203
6321134202131
742166606462
oct11066017447
93134568001
101222123303
11577947365
122a1353347
1316626c1ab
14b844c2d9
157245a91d
hex48d81f27

1222123303 has 2 divisors, whose sum is σ = 1222123304. Its totient is φ = 1222123302.

The previous prime is 1222123271. The next prime is 1222123313. The reversal of 1222123303 is 3033212221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222123303 - 25 = 1222123271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222123313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061651 + 611061652.

It is an arithmetic number, because the mean of its divisors is an integer number (611061652).

Almost surely, 21222123303 is an apocalyptic number.

1222123303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222123303 is an equidigital number, since it uses as much as digits as its factorization.

1222123303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1222123303 is about 34958.8801737127. The cubic root of 1222123303 is about 1069.1492649658.

Adding to 1222123303 its reverse (3033212221), we get a palindrome (4255335524).

The spelling of 1222123303 in words is "one billion, two hundred twenty-two million, one hundred twenty-three thousand, three hundred three".