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12224270 = 252353149
BaseRepresentation
bin101110101000…
…011100001110
3212000001112202
4232220130032
511112134040
61114001502
7205622162
oct56503416
925001482
1012224270
11699a303
124116292
1326c00c6
1418a2ca2
151117015
hexba870e

12224270 has 16 divisors (see below), whose sum is σ = 22960800. Its totient is φ = 4677024.

The previous prime is 12224257. The next prime is 12224279. The reversal of 12224270 is 7242221.

It is a happy number.

12224270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224279) 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, 26345 + ... + 26804.

It is an arithmetic number, because the mean of its divisors is an integer number (1435050).

Almost surely, 212224270 is an apocalyptic number.

12224270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12224270 is a deficient number, since it is larger than the sum of its proper divisors (10736530).

12224270 is a wasteful number, since it uses less digits than its factorization.

12224270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53179.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12224270 is about 3496.3223535595. The cubic root of 12224270 is about 230.3603048375.

Adding to 12224270 its reverse (7242221), we get a palindrome (19466491).

The spelling of 12224270 in words is "twelve million, two hundred twenty-four thousand, two hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 53149 106298 265745 531490 1222427 2444854 6112135 12224270