229469 has 2 divisors, whose sum is σ = 229470. Its totient is φ = 229468.
The previous prime is 229459. The next prime is 229487. The reversal of 229469 is 964922.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 225625 + 3844 = 475^2 + 62^2 .
It is a cyclic number.
It is not a de Polignac number, because 229469 - 28 = 229213 is a prime.
It is a super-2 number, since 2×2294692 = 105312043922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (229409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114734 + 114735.
It is an arithmetic number, because the mean of its divisors is an integer number (114735).
2229469 is an apocalyptic number.
It is an amenable number.
229469 is a deficient number, since it is larger than the sum of its proper divisors (1).
229469 is an equidigital number, since it uses as much as digits as its factorization.
229469 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7776, while the sum is 32.
The square root of 229469 is about 479.0292266658. The cubic root of 229469 is about 61.2220697313. Note that the first 3 decimals are identical.
The spelling of 229469 in words is "two hundred twenty-nine thousand, four hundred sixty-nine".
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