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2224429 is a prime number
BaseRepresentation
bin1000011111000100101101
311012000100021
420133010231
51032140204
6115402141
724623134
oct10370455
94160307
102224429
11128a279
128b3351
135cb63c
1441c91b
152de154
hex21f12d

2224429 has 2 divisors, whose sum is σ = 2224430. Its totient is φ = 2224428.

The previous prime is 2224379. The next prime is 2224441. The reversal of 2224429 is 9244222.

It is a happy number.

2224429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 1010025 = 1102^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224429 - 213 = 2216237 is a prime.

It is a d-powerful number, because it can be written as 27 + 29 + 211 + 4 + 48 + 221 + 95 .

2224429 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224459) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112214 + 1112215.

It is an arithmetic number, because the mean of its divisors is an integer number (1112215).

22224429 is an apocalyptic number.

It is an amenable number.

2224429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224429 is an equidigital number, since it uses as much as digits as its factorization.

2224429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 2224429 is about 1491.4519771015. The cubic root of 2224429 is about 130.5387699627.

The spelling of 2224429 in words is "two million, two hundred twenty-four thousand, four hundred twenty-nine".