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422223 = 3140741
BaseRepresentation
bin1100111000101001111
3210110011220
41213011033
5102002343
613014423
73405654
oct1470517
9713156
10422223
1126924a
12184413
1311a249
14adc2b
1585183
hex6714f

422223 has 4 divisors (see below), whose sum is σ = 562968. Its totient is φ = 281480.

The previous prime is 422209. The next prime is 422231. The reversal of 422223 is 322224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422223 - 29 = 421711 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422203) 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 in 3 ways as a sum of consecutive naturals, for example, 70368 + ... + 70373.

It is an arithmetic number, because the mean of its divisors is an integer number (140742).

2422223 is an apocalyptic number.

422223 is a deficient number, since it is larger than the sum of its proper divisors (140745).

422223 is a wasteful number, since it uses less digits than its factorization.

422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140744.

The product of its digits is 192, while the sum is 15.

The square root of 422223 is about 649.7868881410. The cubic root of 422223 is about 75.0206165545.

Adding to 422223 its reverse (322224), we get a palindrome (744447).

Subtracting from 422223 its reverse (322224), we obtain a palindrome (99999).

The spelling of 422223 in words is "four hundred twenty-two thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 3 140741 422223