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223222230 = 23557111193
BaseRepresentation
bin11010100111000…
…01100111010110
3120120000212100000
431103201213112
5424121102410
634052232130
75350233450
oct1523414726
9516025300
10223222230
11105004190
126290b646
133732827a
14219092d0
15148e4dc0
hexd4e19d6

223222230 has 192 divisors, whose sum is σ = 751016448. Its totient is φ = 46344960.

The previous prime is 223222229. The next prime is 223222261. The reversal of 223222230 is 32222322.

It is a super-3 number, since 3×2232222303 (a number of 26 digits) contains 333 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 186514 + ... + 187706.

It is an arithmetic number, because the mean of its divisors is an integer number (3911544).

Almost surely, 2223222230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375508224).

223222230 is an abundant number, since it is smaller than the sum of its proper divisors (527794218).

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

223222230 is a wasteful number, since it uses less digits than its factorization.

223222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1221 counting only the distinct ones).

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

The square root of 223222230 is about 14940.6234809662. The cubic root of 223222230 is about 606.6140721757.

Adding to 223222230 its reverse (32222322), we get a palindrome (255444552).

It can be divided in two parts, 2 and 23222230, that added together give a palindrome (23222232).

The spelling of 223222230 in words is "two hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty".