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162229 is a prime number
BaseRepresentation
bin100111100110110101
322020112111
4213212311
520142404
63251021
71243654
oct474665
9266474
10162229
11100981
1279a71
1358ac2
144319b
1533104
hex279b5

162229 has 2 divisors, whose sum is σ = 162230. Its totient is φ = 162228.

The previous prime is 162221. The next prime is 162251. The reversal of 162229 is 922261.

It is a happy number.

It is an a-pointer prime, because the next prime (162251) can be obtained adding 162229 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161604 + 625 = 402^2 + 25^2 .

It is an emirp because it is prime and its reverse (922261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162229 - 23 = 162221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162221) 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, 81114 + 81115.

It is an arithmetic number, because the mean of its divisors is an integer number (81115).

2162229 is an apocalyptic number.

It is an amenable number.

162229 is a deficient number, since it is larger than the sum of its proper divisors (1).

162229 is an equidigital number, since it uses as much as digits as its factorization.

162229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 162229 is about 402.7766130251. The cubic root of 162229 is about 54.5392921489.

The spelling of 162229 in words is "one hundred sixty-two thousand, two hundred twenty-nine".