Base | Representation |
---|---|
bin | 1000010010000011… |
… | …1010010100100000 |
3 | 12201221101021111111 |
4 | 2010200322110200 |
5 | 14023121020000 |
6 | 1004335153104 |
7 | 106044025651 |
oct | 20440722440 |
9 | 5657337444 |
10 | 2223220000 |
11 | a40a4a101 |
12 | 520675794 |
13 | 2957a15c1 |
14 | 1713a3528 |
15 | d02a6cba |
hex | 8483a520 |
2223220000 has 120 divisors (see below), whose sum is σ = 5535337500. Its totient is φ = 878592000.
The previous prime is 2223219949. The next prime is 2223220019. The reversal of 2223220000 is 223222.
It can be written as a sum of positive squares in 10 ways, for example, as 502297744 + 1720922256 = 22412^2 + 41484^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1779376 + ... + 1780624.
Almost surely, 22223220000 is an apocalyptic number.
2223220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2223220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767668750).
2223220000 is an abundant number, since it is smaller than the sum of its proper divisors (3312117500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223220000 is an equidigital number, since it uses as much as digits as its factorization.
2223220000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368 (or 1345 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 13.
The square root of 2223220000 is about 47151.0339229163. The cubic root of 2223220000 is about 1305.1511595625.
Adding to 2223220000 its reverse (223222), we get a palindrome (2223443222).
The spelling of 2223220000 in words is "two billion, two hundred twenty-three million, two hundred twenty thousand".
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