Base | Representation |
---|---|
bin | 1000011110000110000110 |
3 | 11011210211212 |
4 | 20132012012 |
5 | 1032023142 |
6 | 115331422 |
7 | 24605351 |
oct | 10360606 |
9 | 4153755 |
10 | 2220422 |
11 | 1287266 |
12 | 8b0b72 |
13 | 5c9879 |
14 | 41b298 |
15 | 2dcd82 |
hex | 21e186 |
2220422 has 8 divisors (see below), whose sum is σ = 3342216. Its totient is φ = 1106352.
The previous prime is 2220419. The next prime is 2220431. The reversal of 2220422 is 2240222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2220397 and 2220406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148 + ... + 2399.
It is an arithmetic number, because the mean of its divisors is an integer number (417777).
22220422 is an apocalyptic number.
2220422 is a deficient number, since it is larger than the sum of its proper divisors (1121794).
2220422 is a wasteful number, since it uses less digits than its factorization.
2220422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3862.
The product of its (nonzero) digits is 128, while the sum is 14.
The square root of 2220422 is about 1490.1080497736. The cubic root of 2220422 is about 130.4603403606.
Adding to 2220422 its reverse (2240222), we get a palindrome (4460644).
The spelling of 2220422 in words is "two million, two hundred twenty thousand, four hundred twenty-two".
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