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222266996337889 is a prime number
BaseRepresentation
bin110010100010011010010001…
…010111001010110011100001
31002010222111222010122200202101
4302202122101113022303201
5213113110302030303024
62104420014250450401
764550155241303656
oct6242322127126341
91063874863580671
10222266996337889
11649039a3a42658
1220b189bb433a01
1397038c31a6419
143cc5acc54bc2d
151aa6a1be1dc44
hexca26915cace1

222266996337889 has 2 divisors, whose sum is σ = 222266996337890. Its totient is φ = 222266996337888.

The previous prime is 222266996337839. The next prime is 222266996337959. The reversal of 222266996337889 is 988733699662222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219051100140625 + 3215896197264 = 14800375^2 + 1793292^2 .

It is a cyclic number.

It is not a de Polignac number, because 222266996337889 - 219 = 222266995813601 is a prime.

It is a super-2 number, since 2×2222669963378892 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222266996337829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111133498168944 + 111133498168945.

It is an arithmetic number, because the mean of its divisors is an integer number (111133498168945).

Almost surely, 2222266996337889 is an apocalyptic number.

It is an amenable number.

222266996337889 is a deficient number, since it is larger than the sum of its proper divisors (1).

222266996337889 is an equidigital number, since it uses as much as digits as its factorization.

222266996337889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10158317568, while the sum is 82.

The spelling of 222266996337889 in words is "two hundred twenty-two trillion, two hundred sixty-six billion, nine hundred ninety-six million, three hundred thirty-seven thousand, eight hundred eighty-nine".