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4444444223 = 191232918973
BaseRepresentation
bin1000010001110100…
…01101011000111111
3102110202000011022022
410020322031120333
533100234203343
62013003510355
7215065103222
oct41072153077
912422004268
104444444223
1119808557aa
12a405283bb
1355aa2466b
143023a75b9
151b02b7568
hex108e8d63f

4444444223 has 8 divisors (see below), whose sum is σ = 4678988400. Its totient is φ = 4209962688.

The previous prime is 4444444211. The next prime is 4444444229. The reversal of 4444444223 is 3224444444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4444444223 - 26 = 4444444159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444444229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224765 + ... + 243737.

It is an arithmetic number, because the mean of its divisors is an integer number (584873550).

Almost surely, 24444444223 is an apocalyptic number.

4444444223 is a deficient number, since it is larger than the sum of its proper divisors (234544177).

4444444223 is a wasteful number, since it uses less digits than its factorization.

4444444223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31321.

The product of its digits is 196608, while the sum is 35.

The square root of 4444444223 is about 66666.6650058333. The cubic root of 4444444223 is about 1644.1413555805.

Adding to 4444444223 its reverse (3224444444), we get a palindrome (7668888667).

The spelling of 4444444223 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 19 12329 18973 234251 360487 233918117 4444444223