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2225429 is a prime number
BaseRepresentation
bin1000011111010100010101
311012001201022
420133110111
51032203204
6115410525
724626063
oct10372425
94161638
102225429
11128aaa8
128b3a45
135cbc2b
1441d033
152de5be
hex21f515

2225429 has 2 divisors, whose sum is σ = 2225430. Its totient is φ = 2225428.

The previous prime is 2225407. The next prime is 2225473. The reversal of 2225429 is 9245222.

2225429 is digitally balanced in base 2, because in such base 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., 2220100 + 5329 = 1490^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225429 - 28 = 2225173 is a prime.

It is equal to p164393 and since 2225429 and 164393 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2225398 and 2225407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224429) by changing a digit.

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 as a sum of consecutive naturals, namely, 1112714 + 1112715.

It is an arithmetic number, because the mean of its divisors is an integer number (1112715).

22225429 is an apocalyptic number.

It is an amenable number.

2225429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225429 is an equidigital number, since it uses as much as digits as its factorization.

2225429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 2225429 is about 1491.7871832135. The cubic root of 2225429 is about 130.5583284222.

The spelling of 2225429 in words is "two million, two hundred twenty-five thousand, four hundred twenty-nine".