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1222303133 is a prime number
BaseRepresentation
bin100100011011010…
…1101110110011101
310011011222102200102
41020312231312131
510000402200013
6321142110445
742201255662
oct11066556635
93134872612
101222303133
11577a5a487
122a141b425
13166302cbc
14b8497a69
1572493d58
hex48dadd9d

1222303133 has 2 divisors, whose sum is σ = 1222303134. Its totient is φ = 1222303132.

The previous prime is 1222303109. The next prime is 1222303139. The reversal of 1222303133 is 3313032221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693900964 + 528402169 = 26342^2 + 22987^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222303133 - 28 = 1222302877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222303139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611151566 + 611151567.

It is an arithmetic number, because the mean of its divisors is an integer number (611151567).

Almost surely, 21222303133 is an apocalyptic number.

It is an amenable number.

1222303133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222303133 is an equidigital number, since it uses as much as digits as its factorization.

1222303133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1222303133 is about 34961.4521008496. The cubic root of 1222303133 is about 1069.2017025778.

Adding to 1222303133 its reverse (3313032221), we get a palindrome (4535335354).

The spelling of 1222303133 in words is "one billion, two hundred twenty-two million, three hundred three thousand, one hundred thirty-three".