Base | Representation |
---|---|
bin | 101010010101… |
… | …1010110100101 |
3 | 1112202202110220 |
4 | 1110223112211 |
5 | 21140311134 |
6 | 2111434553 |
7 | 356451144 |
oct | 124532645 |
9 | 45682426 |
10 | 22197669 |
11 | 1159148a |
12 | 7525a59 |
13 | 47a2820 |
14 | 2d3b75b |
15 | 1e37149 |
hex | 152b5a5 |
22197669 has 16 divisors (see below), whose sum is σ = 32737152. Its totient is φ = 13290048.
The previous prime is 22197667. The next prime is 22197683. The reversal of 22197669 is 96679122.
It is not a de Polignac number, because 22197669 - 21 = 22197667 is a prime.
It is a super-2 number, since 2×221976692 = 985473018067122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22197669.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22197661) 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 15 ways as a sum of consecutive naturals, for example, 6249 + ... + 9134.
It is an arithmetic number, because the mean of its divisors is an integer number (2046072).
Almost surely, 222197669 is an apocalyptic number.
It is an amenable number.
22197669 is a deficient number, since it is larger than the sum of its proper divisors (10539483).
22197669 is a wasteful number, since it uses less digits than its factorization.
22197669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15436.
The product of its digits is 81648, while the sum is 42.
The square root of 22197669 is about 4711.4402256635. The cubic root of 22197669 is about 281.0406386601.
The spelling of 22197669 in words is "twenty-two million, one hundred ninety-seven thousand, six hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •