Base | Representation |
---|---|
bin | 1011111111101111… |
… | …0010101001101110 |
3 | 22022102020011021000 |
4 | 2333323302221232 |
5 | 23043322402342 |
6 | 1251310221130 |
7 | 142540405302 |
oct | 27773625156 |
9 | 8272204230 |
10 | 3220122222 |
11 | 1402747539 |
12 | 75a4b47a6 |
13 | 3c4195785 |
14 | 227945d02 |
15 | 13ca7544c |
hex | bfef2a6e |
3220122222 has 32 divisors (see below), whose sum is σ = 7466952960. Its totient is φ = 1026705240.
The previous prime is 3220122221. The next prime is 3220122251. The reversal of 3220122222 is 2222210223.
3220122222 is a `hidden beast` number, since 322 + 0 + 122 + 222 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 3220122195 and 3220122204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220122221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295104 + ... + 1297587.
It is an arithmetic number, because the mean of its divisors is an integer number (233342280).
Almost surely, 23220122222 is an apocalyptic number.
3220122222 is an abundant number, since it is smaller than the sum of its proper divisors (4246830738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3220122222 is a wasteful number, since it uses less digits than its factorization.
3220122222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2592725 (or 2592719 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 3220122222 is about 56746.1207660929. The cubic root of 3220122222 is about 1476.6949351669.
Adding to 3220122222 its reverse (2222210223), we get a palindrome (5442332445).
The spelling of 3220122222 in words is "three billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".
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