| Base | Representation |
|---|---|
| bin | 11010110000010… |
| … | …11000001111000 |
| 3 | 120122022202101220 |
| 4 | 31120023001320 |
| 5 | 424424043230 |
| 6 | 34134312040 |
| 7 | 5363466210 |
| oct | 1530130170 |
| 9 | 518282356 |
| 10 | 224440440 |
| 11 | 105766474 |
| 12 | 631b8620 |
| 13 | 376638c3 |
| 14 | 21b45240 |
| 15 | 14a85d10 |
| hex | d60b078 |
224440440 has 128 divisors (see below), whose sum is σ = 803036160. Its totient is φ = 49065984.
The previous prime is 224440429. The next prime is 224440451. The reversal of 224440440 is 44044422.
It is an interprime number because it is at equal distance from previous prime (224440429) and next prime (224440451).
It is a super-2 number, since 2×2244404402 = 100747022214787200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 224440440.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13512 + ... + 25128.
It is an arithmetic number, because the mean of its divisors is an integer number (6273720).
Almost surely, 2224440440 is an apocalyptic number.
224440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 224440440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401518080).
224440440 is an abundant number, since it is smaller than the sum of its proper divisors (578595720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
224440440 is a wasteful number, since it uses less digits than its factorization.
224440440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11661 (or 11657 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 24.
The square root of 224440440 is about 14981.3363889875. The cubic root of 224440440 is about 607.7155799780.
Adding to 224440440 its reverse (44044422), we get a palindrome (268484862).
The spelling of 224440440 in words is "two hundred twenty-four million, four hundred forty thousand, four hundred forty".
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