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224669 is a prime number
BaseRepresentation
bin110110110110011101
3102102012002
4312312131
524142134
64452045
71624004
oct666635
9372162
10224669
11143885
12aa025
137b353
145bc3b
154687e
hex36d9d

224669 has 2 divisors, whose sum is σ = 224670. Its totient is φ = 224668.

The previous prime is 224633. The next prime is 224677. The reversal of 224669 is 966422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 68644 = 395^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 224669 - 212 = 220573 is a prime.

It is a super-2 number, since 2×2246692 = 100952319122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112334 + 112335.

It is an arithmetic number, because the mean of its divisors is an integer number (112335).

2224669 is an apocalyptic number.

It is an amenable number.

224669 is a deficient number, since it is larger than the sum of its proper divisors (1).

224669 is an equidigital number, since it uses as much as digits as its factorization.

224669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 224669 is about 473.9926159762. The cubic root of 224669 is about 60.7921800019.

The spelling of 224669 in words is "two hundred twenty-four thousand, six hundred sixty-nine".