Base | Representation |
---|---|
bin | 11010100000001… |
… | …01111011111110 |
3 | 120111100011001002 |
4 | 31100011323332 |
5 | 423403304210 |
6 | 34021050302 |
7 | 5336465231 |
oct | 1520057376 |
9 | 514304032 |
10 | 222322430 |
11 | 10454a150 |
12 | 62556992 |
13 | 370a1845 |
14 | 21753418 |
15 | 147b84a5 |
hex | d405efe |
222322430 has 64 divisors (see below), whose sum is σ = 470059200. Its totient is φ = 74803200.
The previous prime is 222322417. The next prime is 222322433. The reversal of 222322430 is 34223222.
It is a super-2 number, since 2×2223224302 = 98854525762209800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222322433) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113096 + ... + 115044.
It is an arithmetic number, because the mean of its divisors is an integer number (7344675).
Almost surely, 2222322430 is an apocalyptic number.
222322430 is an abundant number, since it is smaller than the sum of its proper divisors (247736770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222322430 is a wasteful number, since it uses less digits than its factorization.
222322430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2045.
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 222322430 is about 14910.4805422226. The cubic root of 222322430 is about 605.7978954040.
Adding to 222322430 its reverse (34223222), we get a palindrome (256545652).
The spelling of 222322430 in words is "two hundred twenty-two million, three hundred twenty-two thousand, four hundred thirty".
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