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1222404133 is a prime number
BaseRepresentation
bin100100011011100…
…0110100000100101
310011012011120020011
41020313012200211
510000413413013
6321144210221
742202156306
oct11067064045
93135146204
101222404133
11578019355
122a1469971
13166339c72
14b84c27ad
15724b3c3d
hex48dc6825

1222404133 has 2 divisors, whose sum is σ = 1222404134. Its totient is φ = 1222404132.

The previous prime is 1222404101. The next prime is 1222404149. The reversal of 1222404133 is 3314042221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 758561764 + 463842369 = 27542^2 + 21537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222404133 - 25 = 1222404101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222404173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611202066 + 611202067.

It is an arithmetic number, because the mean of its divisors is an integer number (611202067).

Almost surely, 21222404133 is an apocalyptic number.

It is an amenable number.

1222404133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222404133 is an equidigital number, since it uses as much as digits as its factorization.

1222404133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1222404133 is about 34962.8965190243. The cubic root of 1222404133 is about 1069.2311514640.

Adding to 1222404133 its reverse (3314042221), we get a palindrome (4536446354).

The spelling of 1222404133 in words is "one billion, two hundred twenty-two million, four hundred four thousand, one hundred thirty-three".