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4222791 = 32835653
BaseRepresentation
bin10000000110111101000111
321221112120200
4100012331013
52040112131
6230301543
750615226
oct20067507
97845520
104222791
112424711
1214b78b3
13b4b0c1
147bccbd
155862e6
hex406f47

4222791 has 12 divisors (see below), whose sum is σ = 6174168. Its totient is φ = 2780784.

The previous prime is 4222781. The next prime is 4222793. The reversal of 4222791 is 1972224.

It is not a de Polignac number, because 4222791 - 25 = 4222759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222793) 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 11 ways as a sum of consecutive naturals, for example, 2080 + ... + 3573.

It is an arithmetic number, because the mean of its divisors is an integer number (514514).

Almost surely, 24222791 is an apocalyptic number.

4222791 is a deficient number, since it is larger than the sum of its proper divisors (1951377).

4222791 is a wasteful number, since it uses less digits than its factorization.

4222791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742 (or 5739 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 4222791 is about 2054.9430649047. The cubic root of 4222791 is about 161.6341768179.

The spelling of 4222791 in words is "four million, two hundred twenty-two thousand, seven hundred ninety-one".

Divisors: 1 3 9 83 249 747 5653 16959 50877 469199 1407597 4222791