Base | Representation |
---|---|
bin | 1000011111000001011100 |
3 | 11012000001112 |
4 | 20133001130 |
5 | 1032133340 |
6 | 115401152 |
7 | 24622415 |
oct | 10370134 |
9 | 4160045 |
10 | 2224220 |
11 | 128a0a9 |
12 | 8b31b8 |
13 | 5cb50b |
14 | 41c80c |
15 | 2de065 |
hex | 21f05c |
2224220 has 12 divisors (see below), whose sum is σ = 4670904. Its totient is φ = 889680.
The previous prime is 2224193. The next prime is 2224231. The reversal of 2224220 is 224222.
It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 2224195 and 2224204.
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, 55586 + ... + 55625.
It is an arithmetic number, because the mean of its divisors is an integer number (389242).
22224220 is an apocalyptic number.
2224220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2224220 is an abundant number, since it is smaller than the sum of its proper divisors (2446684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2224220 is a wasteful number, since it uses less digits than its factorization.
2224220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111220 (or 111218 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 14.
The square root of 2224220 is about 1491.3819095054. The cubic root of 2224220 is about 130.5346815042.
Adding to 2224220 its reverse (224222), we get a palindrome (2448442).
It can be divided in two parts, 22 and 24220, that added together give a palindrome (24242).
The spelling of 2224220 in words is "two million, two hundred twenty-four thousand, two hundred twenty".
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