Base | Representation |
---|---|
bin | 11010011111011… |
… | …10010010010011 |
3 | 120111011020011010 |
4 | 31033232102103 |
5 | 423342204210 |
6 | 34015022003 |
7 | 5335612626 |
oct | 1517562223 |
9 | 514136133 |
10 | 222225555 |
11 | 104493392 |
12 | 6250a903 |
13 | 37069716 |
14 | 21729dbd |
15 | 14799920 |
hex | d3ee493 |
222225555 has 32 divisors (see below), whose sum is σ = 365057280. Its totient is φ = 115390080.
The previous prime is 222225529. The next prime is 222225569. The reversal of 222225555 is 555522222.
It is not a de Polignac number, because 222225555 - 26 = 222225491 is a prime.
It is a plaindrome in base 10.
It is a zygodrome in base 10.
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, 109500 + ... + 111510.
It is an arithmetic number, because the mean of its divisors is an integer number (11408040).
Almost surely, 2222225555 is an apocalyptic number.
222225555 is a deficient number, since it is larger than the sum of its proper divisors (142831725).
222225555 is a wasteful number, since it uses less digits than its factorization.
222225555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2211.
The product of its digits is 20000, while the sum is 30.
The square root of 222225555 is about 14907.2316343445. The cubic root of 222225555 is about 605.7098922918.
Adding to 222225555 its reverse (555522222), we get a palindrome (777747777).
The spelling of 222225555 in words is "two hundred twenty-two million, two hundred twenty-five thousand, five hundred fifty-five".
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