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222112220199997 is a prime number
BaseRepresentation
bin110010100000001010000111…
…111111000011110000111101
31002010102201110112001020101211
4302200022013333003300331
5213103041311332344442
62104220540105004421
764533035605655311
oct6240120777036075
91063381415036354
10222112220199997
1164854299938406
1220ab2a05183711
1396c212828898a
143cbc40872db41
151aa29adda7617
hexca0287fc3c3d

222112220199997 has 2 divisors, whose sum is σ = 222112220199998. Its totient is φ = 222112220199996.

The previous prime is 222112220199977. The next prime is 222112220200009. The reversal of 222112220199997 is 799991022211222.

222112220199997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168679468127556 + 53432752072441 = 12987666^2 + 7309771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222112220199997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112220199937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056110099998 + 111056110099999.

It is an arithmetic number, because the mean of its divisors is an integer number (111056110099999).

Almost surely, 2222112220199997 is an apocalyptic number.

It is an amenable number.

222112220199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112220199997 is an equidigital number, since it uses as much as digits as its factorization.

222112220199997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 222112220199997 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty million, one hundred ninety-nine thousand, nine hundred ninety-seven".