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422069 is a prime number
BaseRepresentation
bin1100111000010110101
3210102222012
41213002311
5102001234
613014005
73405344
oct1470265
9712865
10422069
1126911a
12184305
1311a15b
14adb5b
15850ce
hex670b5

422069 has 2 divisors, whose sum is σ = 422070. Its totient is φ = 422068.

The previous prime is 422063. The next prime is 422077. The reversal of 422069 is 960224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237169 + 184900 = 487^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 422069 - 216 = 356533 is a prime.

It is a super-2 number, since 2×4220692 = 356284481522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211034 + 211035.

It is an arithmetic number, because the mean of its divisors is an integer number (211035).

2422069 is an apocalyptic number.

It is an amenable number.

422069 is a deficient number, since it is larger than the sum of its proper divisors (1).

422069 is an equidigital number, since it uses as much as digits as its factorization.

422069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 422069 is about 649.6683769432. The cubic root of 422069 is about 75.0114945345.

The spelling of 422069 in words is "four hundred twenty-two thousand, sixty-nine".