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2226918 = 23371153
BaseRepresentation
bin1000011111101011100110
311012010202110
420133223212
51032230133
6115421450
724633321
oct10375346
94163673
102226918
111291131
128b4886
135cc805
1441d7b8
152dec63
hex21fae6

2226918 has 8 divisors (see below), whose sum is σ = 4453848. Its totient is φ = 742304.

The previous prime is 2226911. The next prime is 2226923. The reversal of 2226918 is 8196222.

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

2226918 is an admirable number.

It is a d-powerful number, because it can be written as 22 + 214 + 219 + 68 + 94 + 1 + 82 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185571 + ... + 185582.

It is an arithmetic number, because the mean of its divisors is an integer number (556731).

22226918 is an apocalyptic number.

2226918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2226918 is a wasteful number, since it uses less digits than its factorization.

2226918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371158.

The product of its digits is 3456, while the sum is 30.

The square root of 2226918 is about 1492.2861655862. The cubic root of 2226918 is about 130.5874401141.

It can be divided in two parts, 222 and 6918, that added together give a triangular number (7140 = T119).

The spelling of 2226918 in words is "two million, two hundred twenty-six thousand, nine hundred eighteen".

Divisors: 1 2 3 6 371153 742306 1113459 2226918