Base | Representation |
---|---|
bin | 11010011110101… |
… | …11000100010111 |
3 | 120110222101200220 |
4 | 31033113010113 |
5 | 423331133310 |
6 | 34013005423 |
7 | 5335035441 |
oct | 1517270427 |
9 | 513871626 |
10 | 222130455 |
11 | 104428998 |
12 | 62483873 |
13 | 37035351 |
14 | 21703491 |
15 | 1477b670 |
hex | d3d7117 |
222130455 has 24 divisors (see below), whose sum is σ = 358544592. Its totient is φ = 117430272.
The previous prime is 222130453. The next prime is 222130547. The reversal of 222130455 is 554031222.
It is not a de Polignac number, because 222130455 - 21 = 222130453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222130451) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801777 + ... + 802053.
It is an arithmetic number, because the mean of its divisors is an integer number (14939358).
Almost surely, 2222130455 is an apocalyptic number.
222130455 is a deficient number, since it is larger than the sum of its proper divisors (136414137).
222130455 is an equidigital number, since it uses as much as digits as its factorization.
222130455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 755 (or 478 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 222130455 is about 14904.0415659646. The cubic root of 222130455 is about 605.6234767433.
Adding to 222130455 its reverse (554031222), we get a palindrome (776161677).
The spelling of 222130455 in words is "two hundred twenty-two million, one hundred thirty thousand, four hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •