Base | Representation |
---|---|
bin | 101010010111… |
… | …1011100011110 |
3 | 1112210121110200 |
4 | 1110233130132 |
5 | 21141330210 |
6 | 2112044330 |
7 | 356551050 |
oct | 124573436 |
9 | 45717420 |
10 | 22214430 |
11 | 115a3037 |
12 | 75336a6 |
13 | 47aa344 |
14 | 2d438d0 |
15 | 1e3c0c0 |
hex | 152f71e |
22214430 has 96 divisors (see below), whose sum is σ = 67863744. Its totient is φ = 4935168.
The previous prime is 22214429. The next prime is 22214443. The reversal of 22214430 is 3441222.
22214430 is a `hidden beast` number, since 2 + 221 + 443 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22834 + ... + 23786.
It is an arithmetic number, because the mean of its divisors is an integer number (706914).
Almost surely, 222214430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22214430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33931872).
22214430 is an abundant number, since it is smaller than the sum of its proper divisors (45649314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22214430 is a wasteful number, since it uses less digits than its factorization.
22214430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010 (or 1007 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 22214430 is about 4713.2186454694. The cubic root of 22214430 is about 281.1113568518. Note that the first 3 decimals are identical.
Adding to 22214430 its reverse (3441222), we get a palindrome (25655652).
The spelling of 22214430 in words is "twenty-two million, two hundred fourteen thousand, four hundred thirty".
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