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222108228 = 223215234051
BaseRepresentation
bin11010011110100…
…01101001000100
3120110221021012200
431033101221010
5423324430403
634012314500
75334613566
oct1517215104
9513837180
10222108228
11104413221
1262472a30
13370281b4
14216d9336
1514774ca3
hexd3d1a44

222108228 has 36 divisors (see below), whose sum is σ = 561947568. Its totient is φ = 73969200.

The previous prime is 222108209. The next prime is 222108253. The reversal of 222108228 is 822801222.

222108228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 52803 + ... + 56853.

Almost surely, 2222108228 is an apocalyptic number.

It is an amenable number.

222108228 is an abundant number, since it is smaller than the sum of its proper divisors (339839340).

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

222108228 is a wasteful number, since it uses less digits than its factorization.

222108228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 222108228 is about 14903.2958770871. The cubic root of 222108228 is about 605.6032759383.

The spelling of 222108228 in words is "two hundred twenty-two million, one hundred eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1523 3046 4051 4569 6092 8102 9138 12153 13707 16204 18276 24306 27414 36459 48612 54828 72918 145836 6169673 12339346 18509019 24678692 37018038 55527057 74036076 111054114 222108228