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222304230 = 2335823349
BaseRepresentation
bin11010100000000…
…01011111100110
3120111022020002000
431100001133212
5423402213410
634020430130
75336361201
oct1520013746
9514266060
10222304230
11104537505
1262548346
1337096485
142174a938
15147b2dc0
hexd4017e6

222304230 has 32 divisors (see below), whose sum is σ = 592812000. Its totient is φ = 59281056.

The previous prime is 222304213. The next prime is 222304253. The reversal of 222304230 is 32403222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 411405 + ... + 411944.

It is an arithmetic number, because the mean of its divisors is an integer number (18525375).

Almost surely, 2222304230 is an apocalyptic number.

222304230 is an abundant number, since it is smaller than the sum of its proper divisors (370507770).

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

222304230 is a wasteful number, since it uses less digits than its factorization.

222304230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823365 (or 823359 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222304230 is about 14909.8702207632. The cubic root of 222304230 is about 605.7813641247.

Adding to 222304230 its reverse (32403222), we get a palindrome (254707452).

The spelling of 222304230 in words is "two hundred twenty-two million, three hundred four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 823349 1646698 2470047 4116745 4940094 7410141 8233490 12350235 14820282 22230423 24700470 37050705 44460846 74101410 111152115 222304230