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12222904 = 238917167
BaseRepresentation
bin101110101000…
…000110111000
3211222222200011
4232220012320
511112113104
61113551304
7205615201
oct56500670
924888604
1012222904
116999281
124115534
1326bc5b5
1418a25a8
151116904
hexba81b8

12222904 has 16 divisors (see below), whose sum is σ = 23176800. Its totient is φ = 6042432.

The previous prime is 12222869. The next prime is 12222911. The reversal of 12222904 is 40922221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7872 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (1448550).

Almost surely, 212222904 is an apocalyptic number.

It is an amenable number.

12222904 is a deficient number, since it is larger than the sum of its proper divisors (10953896).

12222904 is a wasteful number, since it uses less digits than its factorization.

12222904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17262 (or 17258 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12222904 is about 3496.1269999816. The cubic root of 12222904 is about 230.3517239871.

The spelling of 12222904 in words is "twelve million, two hundred twenty-two thousand, nine hundred four".

Divisors: 1 2 4 8 89 178 356 712 17167 34334 68668 137336 1527863 3055726 6111452 12222904