Base | Representation |
---|---|
bin | 11010011110101… |
… | …01000011110110 |
3 | 120110221222102021 |
4 | 31033111003312 |
5 | 423330402410 |
6 | 34012503354 |
7 | 5335002451 |
oct | 1517250366 |
9 | 513858367 |
10 | 222122230 |
11 | 1044227a0 |
12 | 6247ab5a |
13 | 37031695 |
14 | 21700498 |
15 | 14778eda |
hex | d3d50f6 |
222122230 has 32 divisors (see below), whose sum is σ = 440507808. Its totient is φ = 79968000.
The previous prime is 222122209. The next prime is 222122231. The reversal of 222122230 is 32221222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222122231) 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, 1114 + ... + 21106.
It is an arithmetic number, because the mean of its divisors is an integer number (13765869).
Almost surely, 2222122230 is an apocalyptic number.
222122230 is a deficient number, since it is larger than the sum of its proper divisors (218385578).
222122230 is a wasteful number, since it uses less digits than its factorization.
222122230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20112.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 222122230 is about 14903.7656315443. The cubic root of 222122230 is about 605.6160016846.
Adding to 222122230 its reverse (32221222), we get a palindrome (254343452).
It can be divided in two parts, 22212 and 2230, that added together give a palindrome (24442).
The spelling of 222122230 in words is "two hundred twenty-two million, one hundred twenty-two thousand, two hundred thirty".
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