| Base | Representation |
|---|---|
| bin | 101010111110110… |
| … | …1001000101101010 |
| 3 | 10201111210111021000 |
| 4 | 1111331221011222 |
| 5 | 10423202104232 |
| 6 | 355035455430 |
| 7 | 50511455103 |
| oct | 12575510552 |
| 9 | 3644714230 |
| 10 | 1442222442 |
| 11 | 680108081 |
| 12 | 342bb7576 |
| 13 | 19ca42a7b |
| 14 | d97833aa |
| 15 | 8693527c |
| hex | 55f6916a |
1442222442 has 64 divisors (see below), whose sum is σ = 3266565120. Its totient is φ = 471582000.
The previous prime is 1442222423. The next prime is 1442222447. The reversal of 1442222442 is 2442222441.
1442222442 is a `hidden beast` number, since 14 + 422 + 224 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1442222447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675717 + ... + 677847.
It is an arithmetic number, because the mean of its divisors is an integer number (51040080).
Almost surely, 21442222442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1442222442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633282560).
1442222442 is an abundant number, since it is smaller than the sum of its proper divisors (1824342678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442222442 is a wasteful number, since it uses less digits than its factorization.
1442222442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2376 (or 2370 counting only the distinct ones).
The product of its digits is 8192, while the sum is 27.
The square root of 1442222442 is about 37976.6038765975. The cubic root of 1442222442 is about 1129.8238799315.
Adding to 1442222442 its reverse (2442222441), we get a palindrome (3884444883).
Subtracting 1442222442 from its reverse (2442222441), we obtain a palindrome (999999999).
It can be divided in two parts, 14422 and 22442, that added together give a square (36864 = 1922).
The spelling of 1442222442 in words is "one billion, four hundred forty-two million, two hundred twenty-two thousand, four hundred forty-two".
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