Base | Representation |
---|---|
bin | 11010010001110… |
… | …10110110100110 |
3 | 120100210121121100 |
4 | 31020322312212 |
5 | 422413121042 |
6 | 33512500530 |
7 | 5314504053 |
oct | 1510726646 |
9 | 510717540 |
10 | 220442022 |
11 | 103485399 |
12 | 619aa746 |
13 | 36893988 |
14 | 213c402a |
15 | 1454624c |
hex | d23ada6 |
220442022 has 12 divisors (see below), whose sum is σ = 477624420. Its totient is φ = 73480668.
The previous prime is 220442017. The next prime is 220442029. The reversal of 220442022 is 220244022.
220442022 is a `hidden beast` number, since 220 + 4 + 420 + 22 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12246779 = 220442022 / (2 + 2 + 0 + 4 + 4 + 2 + 0 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 220441986 and 220442004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220442029) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6123372 + ... + 6123407.
It is an arithmetic number, because the mean of its divisors is an integer number (39802035).
Almost surely, 2220442022 is an apocalyptic number.
220442022 is an abundant number, since it is smaller than the sum of its proper divisors (257182398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220442022 is a wasteful number, since it uses less digits than its factorization.
220442022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12246787 (or 12246784 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
The square root of 220442022 is about 14847.2900557644. The cubic root of 220442022 is about 604.0851067157.
Adding to 220442022 its reverse (220244022), we get a palindrome (440686044).
The spelling of 220442022 in words is "two hundred twenty million, four hundred forty-two thousand, twenty-two".
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