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6220228 = 227222151
BaseRepresentation
bin10111101110100111000100
3102201000112211
4113232213010
53043021403
6341153204
7103604530
oct27564704
912630484
106220228
113569393
1220bb804
13139a311
14b7cbc0
1582d06d
hex5ee9c4

6220228 has 12 divisors (see below), whose sum is σ = 12440512. Its totient is φ = 2665800.

The previous prime is 6220217. The next prime is 6220229. The reversal of 6220228 is 8220226.

6220228 is an admirable number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6220199 and 6220208.

It is not an unprimeable number, because it can be changed into a prime (6220229) 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, 111048 + ... + 111103.

Almost surely, 26220228 is an apocalyptic number.

It is an amenable number.

6220228 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.

6220228 is a wasteful number, since it uses less digits than its factorization.

6220228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222162 (or 222160 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 6220228 is about 2494.0384920847. The cubic root of 6220228 is about 183.9086266547.

The spelling of 6220228 in words is "six million, two hundred twenty thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 222151 444302 888604 1555057 3110114 6220228