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4222856 = 2311471021
BaseRepresentation
bin10000000110111110001000
321221112200002
4100012332020
52040112411
6230302132
750615351
oct20067610
97845602
104222856
112424770
1214b7948
13b4b141
147bcd28
1558633b
hex406f88

4222856 has 32 divisors (see below), whose sum is σ = 8830080. Its totient is φ = 1876800.

The previous prime is 4222849. The next prime is 4222859. The reversal of 4222856 is 6582224.

It is not an unprimeable number, because it can be changed into a prime (4222859) 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, 3626 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

Almost surely, 24222856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4415040).

4222856 is an abundant number, since it is smaller than the sum of its proper divisors (4607224).

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

4222856 is a wasteful number, since it uses less digits than its factorization.

4222856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1081 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 4222856 is about 2054.9588803672. The cubic root of 4222856 is about 161.6350061405.

The spelling of 4222856 in words is "four million, two hundred twenty-two thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 47 88 94 188 376 517 1021 1034 2042 2068 4084 4136 8168 11231 22462 44924 47987 89848 95974 191948 383896 527857 1055714 2111428 4222856