Base | Representation |
---|---|
bin | 111011101011010… |
… | …111000001001110 |
3 | 2120202222100200112 |
4 | 323223113001032 |
5 | 4022303102342 |
6 | 243203400022 |
7 | 33545151140 |
oct | 7353270116 |
9 | 2522870615 |
10 | 1001222222 |
11 | 474189090 |
12 | 23b383012 |
13 | 12c5775b0 |
14 | 96d88c90 |
15 | 5cd73682 |
hex | 3bad704e |
1001222222 has 32 divisors (see below), whose sum is σ = 2016451584. Its totient is φ = 360079200.
The previous prime is 1001222207. The next prime is 1001222227. The reversal of 1001222222 is 2222221001.
It is a Harshad number since it is a multiple of its sum of digits (14).
1001222222 is a modest number, since divided by 22222 gives 10012 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 1001222197 and 1001222206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001222227) 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 15 ways as a sum of consecutive naturals, for example, 248054 + ... + 252057.
It is an arithmetic number, because the mean of its divisors is an integer number (63014112).
Almost surely, 21001222222 is an apocalyptic number.
1001222222 is an abundant number, since it is smaller than the sum of its proper divisors (1015229362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001222222 is a wasteful number, since it uses less digits than its factorization.
1001222222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500144.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 1001222222 is about 31642.0957270532. The cubic root of 1001222222 is about 1000.4072414652.
Adding to 1001222222 its reverse (2222221001), we get a palindrome (3223443223).
It can be divided in two parts, 1001 and 222222, that multiplied together give a palindrome (222444222).
The spelling of 1001222222 in words is "one billion, one million, two hundred twenty-two thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •