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222300312221 = 13121123141179
BaseRepresentation
bin1100111100001000100…
…0011001001010011101
3210020210111020220220002
43033002020121022131
512120232334442341
6250042351104045
722026544322351
oct3170210311235
9706714226802
10222300312221
11863058048a9
12370bbb12025
1317c6944b0b0
14aa8bab7461
155bb112429b
hex33c221929d

222300312221 has 8 divisors (see below), whose sum is σ = 239404008480. Its totient is φ = 205197140592.

The previous prime is 222300312209. The next prime is 222300312259. The reversal of 222300312221 is 122213003222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222300312221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222300312193 and 222300312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222300312271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504010 + ... + 1645188.

It is an arithmetic number, because the mean of its divisors is an integer number (29925501060).

Almost surely, 2222300312221 is an apocalyptic number.

It is an amenable number.

222300312221 is a deficient number, since it is larger than the sum of its proper divisors (17103696259).

222300312221 is a wasteful number, since it uses less digits than its factorization.

222300312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262315.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222300312221 its reverse (122213003222), we get a palindrome (344513315443).

The spelling of 222300312221 in words is "two hundred twenty-two billion, three hundred million, three hundred twelve thousand, two hundred twenty-one".

Divisors: 1 13 121123 141179 1574599 1835327 17100024017 222300312221