Base | Representation |
---|---|
bin | 10100101011111100… |
… | …001000101111101110 |
3 | 2010022222211120220222 |
4 | 110223330020233232 |
5 | 330442234134410 |
6 | 14112024411342 |
7 | 1414302031250 |
oct | 245374105756 |
9 | 63288746828 |
10 | 22212021230 |
11 | 946911a343 |
12 | 437a916b52 |
13 | 212ca57b39 |
14 | 1109db1cd0 |
15 | 8a005e955 |
hex | 52bf08bee |
22212021230 has 16 divisors (see below), whose sum is σ = 45693300960. Its totient is φ = 7615550112.
The previous prime is 22212021229. The next prime is 22212021239. The reversal of 22212021230 is 3212021222.
It is a junction number, because it is equal to n+sod(n) for n = 22212021199 and 22212021208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22212021239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158657225 + ... + 158657364.
It is an arithmetic number, because the mean of its divisors is an integer number (2855831310).
Almost surely, 222212021230 is an apocalyptic number.
22212021230 is an abundant number, since it is smaller than the sum of its proper divisors (23481279730).
22212021230 is a wasteful number, since it uses less digits than its factorization.
22212021230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317314603.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 22212021230 its reverse (3212021222), we get a palindrome (25424042452).
The spelling of 22212021230 in words is "twenty-two billion, two hundred twelve million, twenty-one thousand, two hundred thirty".
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