Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1000011110000110 |
3 | 12202111210002102020 |
4 | 2011000020132012 |
5 | 14032214420142 |
6 | 1005230424010 |
7 | 106203424152 |
oct | 20500103606 |
9 | 5674702366 |
10 | 2231404422 |
11 | a4562a195 |
12 | 523362006 |
13 | 2973a8960 |
14 | 1724d4062 |
15 | d0d71cec |
hex | 85008786 |
2231404422 has 64 divisors (see below), whose sum is σ = 5085400320. Its totient is φ = 647063424.
The previous prime is 2231404379. The next prime is 2231404471. The reversal of 2231404422 is 2244041322.
It is a super-3 number, since 3×22314044223 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2231404392 and 2231404401.
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, 288133 + ... + 295775.
It is an arithmetic number, because the mean of its divisors is an integer number (79459380).
Almost surely, 22231404422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2231404422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542700160).
2231404422 is an abundant number, since it is smaller than the sum of its proper divisors (2853995898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231404422 is a wasteful number, since it uses less digits than its factorization.
2231404422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7877.
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 2231404422 is about 47237.7436167309. The cubic root of 2231404422 is about 1306.7507653453.
Adding to 2231404422 its reverse (2244041322), we get a palindrome (4475445744).
The spelling of 2231404422 in words is "two billion, two hundred thirty-one million, four hundred four thousand, four hundred twenty-two".
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