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12223268 = 2229105373
BaseRepresentation
bin101110101000…
…001100100100
3212000000011122
4232220030210
511112121033
61113553112
7205616231
oct56501444
925000148
1012223268
116999582
124115798
1326bc805
1418a2788
151116a98
hexba8324

12223268 has 12 divisors (see below), whose sum is σ = 22128540. Its totient is φ = 5900832.

The previous prime is 12223199. The next prime is 12223271. The reversal of 12223268 is 86232221.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 9012004 = 1792^2 + 3002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52571 + ... + 52802.

It is an arithmetic number, because the mean of its divisors is an integer number (1844045).

Almost surely, 212223268 is an apocalyptic number.

It is an amenable number.

12223268 is a deficient number, since it is larger than the sum of its proper divisors (9905272).

12223268 is a wasteful number, since it uses less digits than its factorization.

12223268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105406 (or 105404 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12223268 is about 3496.1790571994. The cubic root of 12223268 is about 230.3540106012.

Adding to 12223268 its reverse (86232221), we get a palindrome (98455489).

The spelling of 12223268 in words is "twelve million, two hundred twenty-three thousand, two hundred sixty-eight".

Divisors: 1 2 4 29 58 116 105373 210746 421492 3055817 6111634 12223268