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22280560168 = 2310932548097
BaseRepresentation
bin10100110000000001…
…100101111000101000
32010111202210201200011
4110300001211320220
5331112310411133
614122513421304
71416063431236
oct246001457050
963452721604
1022280560168
1194a3882699
12439986a834
132141004619
141115133956
158a609c6cd
hex530065e28

22280560168 has 16 divisors (see below), whose sum is σ = 41814288180. Its totient is φ = 11130083328.

The previous prime is 22280560163. The next prime is 22280560171. The reversal of 22280560168 is 86106508222.

It can be written as a sum of positive squares in 2 ways, for example, as 22236177924 + 44382244 = 149118^2 + 6662^2 .

It is a super-2 number, since 2×222805601682 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22280560168.

It is not an unprimeable number, because it can be changed into a prime (22280560163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265305 + ... + 1282792.

Almost surely, 222280560168 is an apocalyptic number.

It is an amenable number.

22280560168 is a deficient number, since it is larger than the sum of its proper divisors (19533728012).

22280560168 is a wasteful number, since it uses less digits than its factorization.

22280560168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549196 (or 2549192 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 22280560168 in words is "twenty-two billion, two hundred eighty million, five hundred sixty thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 1093 2186 4372 8744 2548097 5096194 10192388 20384776 2785070021 5570140042 11140280084 22280560168