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222120221230 = 2579311904067
BaseRepresentation
bin1100111011011101100…
…1011001101000101110
3210020022221101100111101
43032313121121220232
512114400234034410
6250012435113314
722022226504625
oct3166731315056
9706287340441
10222120221230
118622308a876
123706b74283a
1317c3b04498b
14aa71bd86bc
155ba03edd3a
hex33b7659a2e

222120221230 has 32 divisors (see below), whose sum is σ = 406179671040. Its totient is φ = 87441263520.

The previous prime is 222120221209. The next prime is 222120221243. The reversal of 222120221230 is 32122021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120221198 and 222120221207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206344 + ... + 697723.

It is an arithmetic number, because the mean of its divisors is an integer number (12693114720).

Almost surely, 2222120221230 is an apocalyptic number.

222120221230 is a deficient number, since it is larger than the sum of its proper divisors (184059449810).

222120221230 is a wasteful number, since it uses less digits than its factorization.

222120221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904464.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222120221230 its reverse (32122021222), we get a palindrome (254242242452).

The spelling of 222120221230 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 79 158 311 395 622 790 1555 3110 24569 49138 122845 245690 904067 1808134 4520335 9040670 71421293 142842586 281164837 357106465 562329674 714212930 1405824185 2811648370 22212022123 44424044246 111060110615 222120221230