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22167338769 = 347122332
BaseRepresentation
bin10100101001010001…
…101011111100010001
32010012212202111010000
4110221101223330101
5330344314320034
614103351000213
71413220161552
oct245121537421
963185674100
1022167338769
119445980794
124367969069
132123711c04
1411040a0329
1589b185599
hex52946bf11

22167338769 has 45 divisors (see below), whose sum is σ = 33731907979. Its totient is φ = 14507549280.

The previous prime is 22167338761. The next prime is 22167338773. The reversal of 22167338769 is 96783376122.

The square root of 22167338769 is 148887.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4501739025 + 17665599744 = 67095^2 + 132912^2 .

It is not a de Polignac number, because 22167338769 - 23 = 22167338761 is a prime.

It is a super-2 number, since 2×221673387692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22167338761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 95138677 + ... + 95138909.

Almost surely, 222167338769 is an apocalyptic number.

22167338769 is the 148887-th square number.

22167338769 is the 74444-th centered octagonal number.

It is an amenable number.

22167338769 is a deficient number, since it is larger than the sum of its proper divisors (11564569210).

22167338769 is an frugal number, since it uses more digits than its factorization.

22167338769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 307 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 22167338769 in words is "twenty-two billion, one hundred sixty-seven million, three hundred thirty-eight thousand, seven hundred sixty-nine".

Divisors: 1 3 9 27 71 81 213 233 639 699 1917 2097 5041 5751 6291 15123 16543 18873 45369 49629 54289 136107 148887 162867 408321 446661 488601 1174553 1339983 1465803 3523659 3854519 4397409 10570977 11563557 31712931 34690671 95138793 104072013 273670849 312216039 821012547 2463037641 7389112923 22167338769