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2201228 = 221732371
BaseRepresentation
bin1000011001011010001100
311010211111222
420121122030
51030414403
6115102512
724465401
oct10313214
94124458
102201228
1112738a7
128a1a38
135c0c03
144142a8
152d7338
hex21968c

2201228 has 12 divisors (see below), whose sum is σ = 4078872. Its totient is φ = 1035840.

The previous prime is 2201209. The next prime is 2201273. The reversal of 2201228 is 8221022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16118 + ... + 16253.

It is an arithmetic number, because the mean of its divisors is an integer number (339906).

22201228 is an apocalyptic number.

It is an amenable number.

2201228 is a deficient number, since it is larger than the sum of its proper divisors (1877644).

2201228 is a wasteful number, since it uses less digits than its factorization.

2201228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32392 (or 32390 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2201228 is about 1483.6535983847. The cubic root of 2201228 is about 130.0833390674.

The spelling of 2201228 in words is "two million, two hundred one thousand, two hundred twenty-eight".

Divisors: 1 2 4 17 34 68 32371 64742 129484 550307 1100614 2201228