Base | Representation |
---|---|
bin | 1000011001101001110100 |
3 | 11010212220000 |
4 | 20121221310 |
5 | 1030432403 |
6 | 115111300 |
7 | 24501330 |
oct | 10315164 |
9 | 4125800 |
10 | 2202228 |
11 | 1274626 |
12 | 8a2530 |
13 | 5c14c2 |
14 | 4147c0 |
15 | 2d77a3 |
hex | 219a74 |
2202228 has 60 divisors (see below), whose sum is σ = 6586272. Its totient is φ = 628560.
The previous prime is 2202169. The next prime is 2202253. The reversal of 2202228 is 8222022.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 2202228.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1783 + ... + 2753.
22202228 is an apocalyptic number.
2202228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2202228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293136).
2202228 is an abundant number, since it is smaller than the sum of its proper divisors (4384044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2202228 is a wasteful number, since it uses less digits than its factorization.
2202228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 994 (or 983 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 2202228 is about 1483.9905660077. The cubic root of 2202228 is about 130.1030346866.
It can be divided in two parts, 22022 and 28, that multiplied together give a palindrome (616616).
The spelling of 2202228 in words is "two million, two hundred two thousand, two hundred twenty-eight".
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