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422330223 = 37711911483
BaseRepresentation
bin11001001011000…
…011111101101111
31002102200121011010
4121023003331233
51331104031343
6105524000303
713315514310
oct3113037557
91072617133
10422330223
111a7437a47
12b9530093
136965c553
1440138607
1527124d33
hex192c3f6f

422330223 has 32 divisors (see below), whose sum is σ = 656474112. Its totient is φ = 236527200.

The previous prime is 422330221. The next prime is 422330231. The reversal of 422330223 is 322033224.

It is not a de Polignac number, because 422330223 - 21 = 422330221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 422330223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422330221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284040 + ... + 285522.

It is an arithmetic number, because the mean of its divisors is an integer number (20514816).

Almost surely, 2422330223 is an apocalyptic number.

422330223 is a deficient number, since it is larger than the sum of its proper divisors (234143889).

422330223 is a wasteful number, since it uses less digits than its factorization.

422330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 422330223 is about 20550.6745144776. The cubic root of 422330223 is about 750.2696648073.

Adding to 422330223 its reverse (322033224), we get a palindrome (744363447).

The spelling of 422330223 in words is "four hundred twenty-two million, three hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 7 21 71 191 213 497 573 1337 1483 1491 4011 4449 10381 13561 31143 40683 94927 105293 283253 284781 315879 737051 849759 1982771 2211153 5948313 20110963 60332889 140776741 422330223