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12224969 is a prime number
BaseRepresentation
bin101110101000…
…100111001001
3212000002111122
4232220213021
511112144334
61114005025
7205624211
oct56504711
925002448
1012224969
11699a889
124116775
1326c0513
1418a3241
15111732e
hexba89c9

12224969 has 2 divisors, whose sum is σ = 12224970. Its totient is φ = 12224968.

The previous prime is 12224963. The next prime is 12224981. The reversal of 12224969 is 96942221.

12224969 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 2521744 = 3115^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224969 - 220 = 11176393 is a prime.

It is a super-2 number, since 2×122249692 = 298899734101922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12224963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112484 + 6112485.

It is an arithmetic number, because the mean of its divisors is an integer number (6112485).

Almost surely, 212224969 is an apocalyptic number.

It is an amenable number.

12224969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224969 is an equidigital number, since it uses as much as digits as its factorization.

12224969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 12224969 is about 3496.4223143093. The cubic root of 12224969 is about 230.3646955233.

The spelling of 12224969 in words is "twelve million, two hundred twenty-four thousand, nine hundred sixty-nine".