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4042422 = 232224579
BaseRepresentation
bin1111011010111010110110
321121101011100
433122322312
52013324142
6222350530
746234326
oct17327266
97541140
104042422
11231114a
12142b446
13ab6c87
14773286
1554cb4c
hex3daeb6

4042422 has 12 divisors (see below), whose sum is σ = 8758620. Its totient is φ = 1347468.

The previous prime is 4042417. The next prime is 4042427. The reversal of 4042422 is 2242404.

It is an interprime number because it is at equal distance from previous prime (4042417) and next prime (4042427).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 224579 = 4042422 / (4 + 0 + 4 + 2 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4042395 and 4042404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112272 + ... + 112307.

It is an arithmetic number, because the mean of its divisors is an integer number (729885).

Almost surely, 24042422 is an apocalyptic number.

4042422 is an abundant number, since it is smaller than the sum of its proper divisors (4716198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042422 is a wasteful number, since it uses less digits than its factorization.

4042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224587 (or 224584 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4042422 is about 2010.5775289702. The cubic root of 4042422 is about 159.2993056929.

Subtracting from 4042422 its sum of digits (18), we obtain a palindrome (4042404).

Adding to 4042422 its reverse (2242404), we get a palindrome (6284826).

The spelling of 4042422 in words is "four million, forty-two thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 224579 449158 673737 1347474 2021211 4042422