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2228255 = 5613727
BaseRepresentation
bin1000100000000000011111
311012012120222
420200000133
51032301010
6115431555
724640241
oct10400037
94165528
102228255
111292137
128b55bb
136002c3
14420091
152e0355
hex22001f

2228255 has 8 divisors (see below), whose sum is σ = 2681952. Its totient is φ = 1777248.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228255 is 5528222.

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 2228255 - 210 = 2227231 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (335244).

22228255 is an apocalyptic number.

2228255 is a deficient number, since it is larger than the sum of its proper divisors (453697).

2228255 is an equidigital number, since it uses as much as digits as its factorization.

2228255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its digits is 3200, while the sum is 26.

The square root of 2228255 is about 1492.7340687477. The cubic root of 2228255 is about 130.6135689729.

The spelling of 2228255 in words is "two million, two hundred twenty-eight thousand, two hundred fifty-five".

Divisors: 1 5 613 727 3065 3635 445651 2228255