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22168038 = 2331119183
BaseRepresentation
bin101010010010…
…0000111100110
31112201020211110
41110210013212
521133334123
62111045450
7356265564
oct124440746
945636743
1022168038
11115711a2
127510886
1347921a9
142d30a34
151e2d493
hex15241e6

22168038 has 16 divisors (see below), whose sum is σ = 45766656. Its totient is φ = 7150920.

The previous prime is 22168037. The next prime is 22168057. The reversal of 22168038 is 83086122.

It is a junction number, because it is equal to n+sod(n) for n = 22167996 and 22168014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22168037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59406 + ... + 59777.

It is an arithmetic number, because the mean of its divisors is an integer number (2860416).

Almost surely, 222168038 is an apocalyptic number.

22168038 is an abundant number, since it is smaller than the sum of its proper divisors (23598618).

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

22168038 is a wasteful number, since it uses less digits than its factorization.

22168038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119219.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 22168038 is about 4708.2945957109. The cubic root of 22168038 is about 280.9155320810.

The spelling of 22168038 in words is "twenty-two million, one hundred sixty-eight thousand, thirty-eight".

Divisors: 1 2 3 6 31 62 93 186 119183 238366 357549 715098 3694673 7389346 11084019 22168038