Search a number
-
+
222002212221222 = 23281131673909977
BaseRepresentation
bin110010011110100011101010…
…111111111011000100100110
31002010001012111212121220012120
4302132203222333323010212
5213044241012312034342
62104054224112130410
764522062526404156
oct6236435277730446
91063035455556176
10222002212221222
1164811678238774
1220a95623836a06
1396b4946227204
143cb6d70470766
151a9ebc1235aec
hexc9e8eaffb126

222002212221222 has 16 divisors (see below), whose sum is σ = 445584511365552. Its totient is φ = 73737389586560.

The previous prime is 222002212221187. The next prime is 222002212221259. The reversal of 222002212221222 is 222122212200222.

It is a super-2 number, since 2×2220022122212222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222002212221192 and 222002212221201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65836953303 + ... + 65836956674.

It is an arithmetic number, because the mean of its divisors is an integer number (27849031960347).

Almost surely, 2222002212221222 is an apocalyptic number.

222002212221222 is an abundant number, since it is smaller than the sum of its proper divisors (223582299144330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222002212221222 is a wasteful number, since it uses less digits than its factorization.

222002212221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131673910263.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222002212221222 its reverse (222122212200222), we get a palindrome (444124424421444).

The spelling of 222002212221222 in words is "two hundred twenty-two trillion, two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 281 562 843 1686 131673909977 263347819954 395021729931 790043459862 37000368703537 74000737407074 111001106110611 222002212221222