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4494222 = 2321719773
BaseRepresentation
bin10001001001001110001110
322110022220200
4101021032032
52122303342
6240154330
753125455
oct21111616
98408820
104494222
11259a637
1216089a6
13c14805
1484db9c
155db94c
hex44938e

4494222 has 48 divisors (see below), whose sum is σ = 10866960. Its totient is φ = 1334016.

The previous prime is 4494221. The next prime is 4494227. The reversal of 4494222 is 2224944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5428 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (226395).

Almost surely, 24494222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4494222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5433480).

4494222 is an abundant number, since it is smaller than the sum of its proper divisors (6372738).

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

4494222 is a wasteful number, since it uses less digits than its factorization.

4494222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 814 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4494222 is about 2119.9580184523. The cubic root of 4494222 is about 165.0256709370.

The spelling of 4494222 in words is "four million, four hundred ninety-four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 19 34 38 51 57 102 114 153 171 306 323 342 646 773 969 1546 1938 2319 2907 4638 5814 6957 13141 13914 14687 26282 29374 39423 44061 78846 88122 118269 132183 236538 249679 264366 499358 749037 1498074 2247111 4494222