Base | Representation |
---|---|
bin | 101010000000… |
… | …0001101101001 |
3 | 1112102210002110 |
4 | 1110000031221 |
5 | 21114132334 |
6 | 2103552533 |
7 | 355114035 |
oct | 124001551 |
9 | 45383073 |
10 | 22020969 |
11 | 11480753 |
12 | 745b749 |
13 | 4740279 |
14 | 2cd31c5 |
15 | 1deeae9 |
hex | 1500369 |
22020969 has 16 divisors (see below), whose sum is σ = 29874240. Its totient is φ = 14426880.
The previous prime is 22020953. The next prime is 22020991. The reversal of 22020969 is 96902022.
It is not a de Polignac number, because 22020969 - 24 = 22020953 is a prime.
It is a super-2 number, since 2×220209692 = 969846151397922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22020949) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53637 + ... + 54045.
It is an arithmetic number, because the mean of its divisors is an integer number (1867140).
Almost surely, 222020969 is an apocalyptic number.
It is an amenable number.
22020969 is a deficient number, since it is larger than the sum of its proper divisors (7853271).
22020969 is a wasteful number, since it uses less digits than its factorization.
22020969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 680.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 22020969 is about 4692.6505303506. The cubic root of 22020969 is about 280.2929289824.
The spelling of 22020969 in words is "twenty-two million, twenty thousand, nine hundred sixty-nine".
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