Search a number
-
+
222555105 = 32547105227
BaseRepresentation
bin11010100001111…
…10101111100001
3120111202222012200
431100332233201
5423433230410
634030043413
75341454463
oct1520765741
9514688180
10222555105
11104698a43
1262649569
1337153716
14217b4133
15148123c0
hexd43ebe1

222555105 has 24 divisors (see below), whose sum is σ = 393973632. Its totient is φ = 116169504.

The previous prime is 222555101. The next prime is 222555119. The reversal of 222555105 is 501555222.

222555105 is a `hidden beast` number, since 2 + 2 + 2 + 555 + 105 = 666.

It is not a de Polignac number, because 222555105 - 22 = 222555101 is a prime.

It is a super-3 number, since 3×2225551053 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (222555101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50499 + ... + 54728.

It is an arithmetic number, because the mean of its divisors is an integer number (16415568).

Almost surely, 2222555105 is an apocalyptic number.

It is an amenable number.

222555105 is a deficient number, since it is larger than the sum of its proper divisors (171418527).

222555105 is a wasteful number, since it uses less digits than its factorization.

222555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105285 (or 105282 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 222555105 is about 14918.2808996211. The cubic root of 222555105 is about 606.0091574605.

The spelling of 222555105 in words is "two hundred twenty-two million, five hundred fifty-five thousand, one hundred five".

Divisors: 1 3 5 9 15 45 47 141 235 423 705 2115 105227 315681 526135 947043 1578405 4735215 4945669 14837007 24728345 44511021 74185035 222555105