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22002221029 is a prime number
BaseRepresentation
bin10100011111011011…
…110011111111100101
32002210101001122011011
4110133123303333211
5330030032033104
614035131542221
71406143535665
oct243733637745
962711048134
1022002221029
119370753348
1243205ba971
1320c844bbc9
1410ca19c1a5
1588b91b904
hex51f6f3fe5

22002221029 has 2 divisors, whose sum is σ = 22002221030. Its totient is φ = 22002221028.

The previous prime is 22002221009. The next prime is 22002221093. The reversal of 22002221029 is 92012220022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14653102500 + 7349118529 = 121050^2 + 85727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22002221029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002221009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001110514 + 11001110515.

It is an arithmetic number, because the mean of its divisors is an integer number (11001110515).

Almost surely, 222002221029 is an apocalyptic number.

It is an amenable number.

22002221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002221029 is an equidigital number, since it uses as much as digits as its factorization.

22002221029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 22002221029 in words is "twenty-two billion, two million, two hundred twenty-one thousand, twenty-nine".