Base | Representation |
---|---|
bin | 101010011001… |
… | …1100100010010 |
3 | 1112211110122000 |
4 | 1110303210102 |
5 | 21142400224 |
6 | 2112254430 |
7 | 356651220 |
oct | 124634422 |
9 | 45743560 |
10 | 22231314 |
11 | 11604796 |
12 | 7541416 |
13 | 47b4c31 |
14 | 2d49b10 |
15 | 1e420c9 |
hex | 1533912 |
22231314 has 64 divisors (see below), whose sum is σ = 57108480. Its totient is φ = 6279120.
The previous prime is 22231241. The next prime is 22231331. The reversal of 22231314 is 41313222.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38649 + ... + 39219.
It is an arithmetic number, because the mean of its divisors is an integer number (892320).
Almost surely, 222231314 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22231314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28554240).
22231314 is an abundant number, since it is smaller than the sum of its proper divisors (34877166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22231314 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (22231313) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (692).
22231314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692 (or 686 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 22231314 is about 4715.0094379545. The cubic root of 22231314 is about 281.1825580514.
Adding to 22231314 its reverse (41313222), we get a palindrome (63544536).
The spelling of 22231314 in words is "twenty-two million, two hundred thirty-one thousand, three hundred fourteen".
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