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BaseRepresentation
bin1000010000101
312210122
41002011
5113404
631325
715221
oct10205
95718
104229
1131a5
122545
131c04
141781
1513be
hex1085

4229 has 2 divisors, whose sum is σ = 4230. Its totient is φ = 4228.

The previous prime is 4219. The next prime is 4231. The reversal of 4229 is 9224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4225 + 4 = 65^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4229 is a prime.

Together with 4231, it forms a pair of twin primes.

It is a Chen prime.

It is a magnanimous number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4219) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114 + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (2115).

24229 is an apocalyptic number.

It is an amenable number.

4229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4229 is an equidigital number, since it uses as much as digits as its factorization.

4229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 4229 is about 65.0307619516. The cubic root of 4229 is about 16.1713357872.

The spelling of 4229 in words is "four thousand, two hundred twenty-nine".