Base | Representation |
---|---|
bin | 1000011110011111000110 |
3 | 11011220001010 |
4 | 20132133012 |
5 | 1032101042 |
6 | 115343050 |
7 | 24613125 |
oct | 10363706 |
9 | 4156033 |
10 | 2222022 |
11 | 1288490 |
12 | 8b1a86 |
13 | 5ca50a |
14 | 41babc |
15 | 2dd59c |
hex | 21e7c6 |
2222022 has 32 divisors (see below), whose sum is σ = 4904064. Its totient is φ = 665600.
The previous prime is 2221997. The next prime is 2222023. The reversal of 2222022 is 2202222.
It is a junction number, because it is equal to n+sod(n) for n = 2221989 and 2222007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8518 + ... + 8774.
It is an arithmetic number, because the mean of its divisors is an integer number (153252).
22222022 is an apocalyptic number.
2222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2452032).
2222022 is an abundant number, since it is smaller than the sum of its proper divisors (2682042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222022 is a wasteful number, since it uses less digits than its factorization.
2222022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404.
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 2222022 is about 1490.6448269122. The cubic root of 2222022 is about 130.4916687038.
Adding to 2222022 its reverse (2202222), we get a palindrome (4424244).
It can be divided in two parts, 22 and 22022, that multiplied together give a palindrome (484484).
The spelling of 2222022 in words is "two million, two hundred twenty-two thousand, twenty-two".
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