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212324222 = 21171181751
BaseRepresentation
bin11001010011111…
…00111101111110
3112210112012002002
430221330331332
5413323333342
633022502302
75155504025
oct1451747576
9483465062
10212324222
11a9940370
125b134992
1334cb0a46
14202ad8bc
1513990d32
hexca7cf7e

212324222 has 32 divisors (see below), whose sum is σ = 354751488. Its totient is φ = 94500000.

The previous prime is 212324207. The next prime is 212324227. The reversal of 212324222 is 222423212.

212324222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212324194 and 212324203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212324227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282347 + ... + 283097.

It is an arithmetic number, because the mean of its divisors is an integer number (11085984).

Almost surely, 2212324222 is an apocalyptic number.

212324222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212324222 is a deficient number, since it is larger than the sum of its proper divisors (142427266).

212324222 is a wasteful number, since it uses less digits than its factorization.

212324222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its digits is 768, while the sum is 20.

The square root of 212324222 is about 14571.3493541264. The cubic root of 212324222 is about 596.5770108970.

Adding to 212324222 its reverse (222423212), we get a palindrome (434747434).

The spelling of 212324222 in words is "two hundred twelve million, three hundred twenty-four thousand, two hundred twenty-two".

Divisors: 1 2 11 22 71 142 181 362 751 781 1502 1562 1991 3982 8261 12851 16522 25702 53321 106642 135931 141361 271862 282722 586531 1173062 1495241 2990482 9651101 19302202 106162111 212324222