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1222622041 is a prime number
BaseRepresentation
bin100100011011111…
…1011101101011001
310011012120122010211
41020313323231121
510000442401131
6321153011121
742204054514
oct11067735531
93135518124
101222622041
11578158043
122a1553aa1
131663b51c4
14b853bd7b
15725085b1
hex48dfbb59

1222622041 has 2 divisors, whose sum is σ = 1222622042. Its totient is φ = 1222622040.

The previous prime is 1222622021. The next prime is 1222622081. The reversal of 1222622041 is 1402262221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900240016 + 322382025 = 30004^2 + 17955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222622041 - 27 = 1222621913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222622021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611311020 + 611311021.

It is an arithmetic number, because the mean of its divisors is an integer number (611311021).

Almost surely, 21222622041 is an apocalyptic number.

It is an amenable number.

1222622041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222622041 is an equidigital number, since it uses as much as digits as its factorization.

1222622041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1222622041 is about 34966.0126551484. The cubic root of 1222622041 is about 1069.2946820570.

Adding to 1222622041 its reverse (1402262221), we get a palindrome (2624884262).

The spelling of 1222622041 in words is "one billion, two hundred twenty-two million, six hundred twenty-two thousand, forty-one".