Base | Representation |
---|---|
bin | 101010100011… |
… | …1100011111110 |
3 | 1112222121222100 |
4 | 1111013203332 |
5 | 21203010324 |
6 | 2114125530 |
7 | 360442050 |
oct | 125074376 |
9 | 45877870 |
10 | 22313214 |
11 | 11660280 |
12 | 75808a6 |
13 | 48132b1 |
14 | 2d6b8d0 |
15 | 1e5b4c9 |
hex | 15478fe |
22313214 has 96 divisors (see below), whose sum is σ = 63887616. Its totient is φ = 5448960.
The previous prime is 22313191. The next prime is 22313219. The reversal of 22313214 is 41231322.
It is a super-3 number, since 3×223132143 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22313219) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23089 + ... + 24035.
It is an arithmetic number, because the mean of its divisors is an integer number (665496).
Almost surely, 222313214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22313214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31943808).
22313214 is an abundant number, since it is smaller than the sum of its proper divisors (41574402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22313214 is a wasteful number, since it uses less digits than its factorization.
22313214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 990 (or 987 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 22313214 is about 4723.6864840927. The cubic root of 22313214 is about 281.5274264034.
Adding to 22313214 its reverse (41231322), we get a palindrome (63544536).
It can be divided in two parts, 2231 and 3214, that added together give a palindrome (5445).
The spelling of 22313214 in words is "twenty-two million, three hundred thirteen thousand, two hundred fourteen".
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