Base | Representation |
---|---|
bin | 1000011101110011011100 |
3 | 11011202012122 |
4 | 20131303130 |
5 | 1032003403 |
6 | 115322112 |
7 | 24602024 |
oct | 10356334 |
9 | 4152178 |
10 | 2219228 |
11 | 1286380 |
12 | 8b0338 |
13 | 5c916b |
14 | 41aa84 |
15 | 2dc838 |
hex | 21dcdc |
2219228 has 24 divisors (see below), whose sum is σ = 4376064. Its totient is φ = 975600.
The previous prime is 2219221. The next prime is 2219251. The reversal of 2219228 is 8229122.
It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 2219197 and 2219206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2219221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 2177.
It is an arithmetic number, because the mean of its divisors is an integer number (182336).
22219228 is an apocalyptic number.
It is an amenable number.
2219228 is a deficient number, since it is larger than the sum of its proper divisors (2156836).
2219228 is a wasteful number, since it uses less digits than its factorization.
2219228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1673 (or 1671 counting only the distinct ones).
The product of its digits is 1152, while the sum is 26.
The square root of 2219228 is about 1489.7073538115. The cubic root of 2219228 is about 130.4369517771.
It can be divided in two parts, 221 and 9228, that added together give a palindrome (9449).
The spelling of 2219228 in words is "two million, two hundred nineteen thousand, two hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •