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222736068 = 2234687457
BaseRepresentation
bin11010100011010…
…10111011000100
3120112010011110000
431101222323010
5424010023233
634034001300
75343140202
oct1521527304
9515104400
10222736068
111048019a5
1262716230
13371b7bb9
1421820072
151484ad13
hexd46aec4

222736068 has 30 divisors (see below), whose sum is σ = 582276926. Its totient is φ = 74245248.

The previous prime is 222736049. The next prime is 222736081. The reversal of 222736068 is 860637222.

222736068 is a `hidden beast` number, since 22 + 27 + 3 + 606 + 8 = 666.

222736068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136469124 + 86266944 = 11682^2 + 9288^2 .

It is a super-3 number, since 3×2227360683 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 343405 + ... + 344052.

Almost surely, 2222736068 is an apocalyptic number.

It is an amenable number.

222736068 is an abundant number, since it is smaller than the sum of its proper divisors (359540858).

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

222736068 is a wasteful number, since it uses less digits than its factorization.

222736068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687473 (or 687462 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 222736068 is about 14924.3448097396. The cubic root of 222736068 is about 606.1733647701.

The spelling of 222736068 in words is "two hundred twenty-two million, seven hundred thirty-six thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 687457 1374914 2062371 2749828 4124742 6187113 8249484 12374226 18561339 24748452 37122678 55684017 74245356 111368034 222736068