Base | Representation |
---|---|
bin | 11010011111010… |
… | …10110101010101 |
3 | 120111010111202100 |
4 | 31033222311111 |
5 | 423341231123 |
6 | 34014432313 |
7 | 5335523454 |
oct | 1517526525 |
9 | 514114670 |
10 | 222211413 |
11 | 1044837a6 |
12 | 62502699 |
13 | 37063158 |
14 | 21724b9b |
15 | 14795643 |
hex | d3ead55 |
222211413 has 12 divisors (see below), whose sum is σ = 324151308. Its totient is φ = 146673600.
The previous prime is 222211391. The next prime is 222211417. The reversal of 222211413 is 314112222.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 202123089 + 20088324 = 14217^2 + 4482^2 .
It is not a de Polignac number, because 222211413 - 218 = 221949269 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222211417) 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 11 ways as a sum of consecutive naturals, for example, 121320 + ... + 123137.
It is an arithmetic number, because the mean of its divisors is an integer number (27012609).
Almost surely, 2222211413 is an apocalyptic number.
It is an amenable number.
222211413 is a deficient number, since it is larger than the sum of its proper divisors (101939895).
222211413 is a wasteful number, since it uses less digits than its factorization.
222211413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244564 (or 244561 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 222211413 is about 14906.7572932546. The cubic root of 222211413 is about 605.6970432880.
Adding to 222211413 its reverse (314112222), we get a palindrome (536323635).
The spelling of 222211413 in words is "two hundred twenty-two million, two hundred eleven thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •