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2222021199887 is a prime number
BaseRepresentation
bin100000010101011010110…
…010001100100000001111
321212102102110220101201022
4200111122302030200033
5242401144411344022
64420441001504355
7316351520365016
oct40253262144017
97772373811638
102222021199887
11787399048435
122ba7864a20bb
131316c6c18b28
147979146da7d
153cbee86bc42
hex2055ac8c80f

2222021199887 has 2 divisors, whose sum is σ = 2222021199888. Its totient is φ = 2222021199886.

The previous prime is 2222021199823. The next prime is 2222021200043. The reversal of 2222021199887 is 7889911202222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222021199887 - 26 = 2222021199823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222021190887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111010599943 + 1111010599944.

It is an arithmetic number, because the mean of its divisors is an integer number (1111010599944).

Almost surely, 22222021199887 is an apocalyptic number.

2222021199887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222021199887 is an equidigital number, since it uses as much as digits as its factorization.

2222021199887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 2222021199887 in words is "two trillion, two hundred twenty-two billion, twenty-one million, one hundred ninety-nine thousand, eight hundred eighty-seven".