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2226870 = 2325109227
BaseRepresentation
bin1000011111101010110110
311012010200200
420133222312
51032224440
6115421330
724633222
oct10375266
94163620
102226870
111291098
128b4846
135cc799
1441d782
152dec30
hex21fab6

2226870 has 48 divisors (see below), whose sum is σ = 5868720. Its totient is φ = 585792.

The previous prime is 2226859. The next prime is 2226893. The reversal of 2226870 is 786222.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9697 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (122265).

22226870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2226870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934360).

2226870 is an abundant number, since it is smaller than the sum of its proper divisors (3641850).

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

2226870 is a wasteful number, since it uses less digits than its factorization.

2226870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2226870 is about 1492.2700827933. The cubic root of 2226870 is about 130.5865018604.

The spelling of 2226870 in words is "two million, two hundred twenty-six thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 109 218 227 327 454 545 654 681 981 1090 1135 1362 1635 1962 2043 2270 3270 3405 4086 4905 6810 9810 10215 20430 24743 49486 74229 123715 148458 222687 247430 371145 445374 742290 1113435 2226870