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2217230 = 25221723
BaseRepresentation
bin1000011101010100001110
311011122110122
420131110032
51031422410
6115304542
724563141
oct10352416
94148418
102217230
111284924
128ab152
135c8292
1441a058
152dbe55
hex21d50e

2217230 has 8 divisors (see below), whose sum is σ = 3991032. Its totient is φ = 886888.

The previous prime is 2217217. The next prime is 2217233. The reversal of 2217230 is 327122.

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

It is a super-2 number, since 2×22172302 = 9832217745800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2217199 and 2217208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110852 + ... + 110871.

It is an arithmetic number, because the mean of its divisors is an integer number (498879).

22217230 is an apocalyptic number.

2217230 is a deficient number, since it is larger than the sum of its proper divisors (1773802).

2217230 is a wasteful number, since it uses less digits than its factorization.

2217230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221730.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2217230 is about 1489.0366012963. The cubic root of 2217230 is about 130.3977953257.

The spelling of 2217230 in words is "two million, two hundred seventeen thousand, two hundred thirty".

Divisors: 1 2 5 10 221723 443446 1108615 2217230