Base | Representation |
---|---|
bin | 1000010011111111… |
… | …0010001101000110 |
3 | 12202111121110022110 |
4 | 2010333302031012 |
5 | 14032204010342 |
6 | 1005224441450 |
7 | 106202564235 |
oct | 20477621506 |
9 | 5674543273 |
10 | 2231313222 |
11 | a45577716 |
12 | 523319286 |
13 | 2973762a8 |
14 | 1724acb1c |
15 | d0d54c9c |
hex | 84ff2346 |
2231313222 has 32 divisors (see below), whose sum is σ = 4700200320. Its totient is φ = 704220480.
The previous prime is 2231313187. The next prime is 2231313239. The reversal of 2231313222 is 2223131322.
It is a happy number.
2231313222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×22313132223 (a number of 29 digits) contains 333 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240897 + ... + 249987.
It is an arithmetic number, because the mean of its divisors is an integer number (146881260).
Almost surely, 22231313222 is an apocalyptic number.
2231313222 is an abundant number, since it is smaller than the sum of its proper divisors (2468887098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231313222 is a wasteful number, since it uses less digits than its factorization.
2231313222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11268.
The product of its digits is 864, while the sum is 21.
The square root of 2231313222 is about 47236.7782771010. The cubic root of 2231313222 is about 1306.7329623133.
Adding to 2231313222 its reverse (2223131322), we get a palindrome (4454444544).
It can be divided in two parts, 223131322 and 2, that multiplied together give a palindrome (446262644).
The spelling of 2231313222 in words is "two billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred twenty-two".
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