Base | Representation |
---|---|
bin | 101001111110… |
… | …0001110111101 |
3 | 1112101221201202 |
4 | 1103330032331 |
5 | 21113122134 |
6 | 2103345245 |
7 | 355015361 |
oct | 123741675 |
9 | 45357652 |
10 | 22004669 |
11 | 1146a485 |
12 | 7452225 |
13 | 4735a1b |
14 | 2ccb2a1 |
15 | 1de9d7e |
hex | 14fc3bd |
22004669 has 4 divisors (see below), whose sum is σ = 22038720. Its totient is φ = 21970620.
The previous prime is 22004639. The next prime is 22004683. The reversal of 22004669 is 96640022.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96640022 = 2 ⋅48320011.
It is a cyclic number.
It is not a de Polignac number, because 22004669 - 216 = 21939133 is a prime.
It is a super-2 number, since 2×220046692 = 968410915599122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22004639) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16037 + ... + 17354.
It is an arithmetic number, because the mean of its divisors is an integer number (5509680).
Almost surely, 222004669 is an apocalyptic number.
It is an amenable number.
22004669 is a deficient number, since it is larger than the sum of its proper divisors (34051).
22004669 is an equidigital number, since it uses as much as digits as its factorization.
22004669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34050.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 22004669 is about 4690.9134504913. The cubic root of 22004669 is about 280.2237539689.
The spelling of 22004669 in words is "twenty-two million, four thousand, six hundred sixty-nine".
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