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4222689 = 35923857
BaseRepresentation
bin10000000110111011100001
321221112102220
4100012323201
52040111224
6230301253
750615022
oct20067341
97845386
104222689
112424629
1214b7829
13b4b043
147bcc49
15586279
hex406ee1

4222689 has 8 divisors (see below), whose sum is σ = 5725920. Its totient is φ = 2767296.

The previous prime is 4222679. The next prime is 4222703. The reversal of 4222689 is 9862224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4222689 - 25 = 4222657 is a prime.

It is a super-2 number, since 2×42226892 = 35662204781442, which contains 22 as substring.

It is a d-powerful number, because it can be written as 42 + 25 + 214 + 222 + 65 + 84 + 92 .

4222689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4222619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11752 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (715740).

Almost surely, 24222689 is an apocalyptic number.

It is an amenable number.

4222689 is a deficient number, since it is larger than the sum of its proper divisors (1503231).

4222689 is a wasteful number, since it uses less digits than its factorization.

4222689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23919.

The product of its digits is 13824, while the sum is 33.

The square root of 4222689 is about 2054.9182465490. The cubic root of 4222689 is about 161.6328754023.

The spelling of 4222689 in words is "four million, two hundred twenty-two thousand, six hundred eighty-nine".

Divisors: 1 3 59 177 23857 71571 1407563 4222689