Base | Representation |
---|---|
bin | 101010010110… |
… | …1101001001010 |
3 | 1112210020100100 |
4 | 1110231221022 |
5 | 21141111200 |
6 | 2111550230 |
7 | 356520405 |
oct | 124555112 |
9 | 45706310 |
10 | 22207050 |
11 | 11598538 |
12 | 752b376 |
13 | 47a6b88 |
14 | 2d40d3c |
15 | 1e39d00 |
hex | 152da4a |
22207050 has 72 divisors (see below), whose sum is σ = 60715980. Its totient is φ = 5817600.
The previous prime is 22207043. The next prime is 22207051. The reversal of 22207050 is 5070222.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 6215049 + 15992001 = 2493^2 + 3999^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22207051) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27046 + ... + 27854.
Almost surely, 222207050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22207050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30357990).
22207050 is an abundant number, since it is smaller than the sum of its proper divisors (38508930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22207050 is a wasteful number, since it uses less digits than its factorization.
22207050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 888 (or 880 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 22207050 is about 4712.4356759536. The cubic root of 22207050 is about 281.0802234610.
Adding to 22207050 its reverse (5070222), we get a palindrome (27277272).
The spelling of 22207050 in words is "twenty-two million, two hundred seven thousand, fifty".
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