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22230120222 = 233411668893
BaseRepresentation
bin10100101101000001…
…001011011100011110
32010101020220010002000
4110231001023130132
5331011402321342
614113512343130
71414611622062
oct245501133436
963336803060
1022230120222
119478361392
1243849a4aa6
132133723bbb
14110c563aa2
158a193744c
hex52d04b71e

22230120222 has 16 divisors (see below), whose sum is σ = 49400267280. Its totient is φ = 7410040056.

The previous prime is 22230120191. The next prime is 22230120223. The reversal of 22230120222 is 22202103222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22230120195 and 22230120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230120223) 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, 205834393 + ... + 205834500.

It is an arithmetic number, because the mean of its divisors is an integer number (3087516705).

Almost surely, 222230120222 is an apocalyptic number.

22230120222 is an abundant number, since it is smaller than the sum of its proper divisors (27170147058).

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

22230120222 is a wasteful number, since it uses less digits than its factorization.

22230120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411668904 (or 411668898 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22230120222 its reverse (22202103222), we get a palindrome (44432223444).

The spelling of 22230120222 in words is "twenty-two billion, two hundred thirty million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 411668893 823337786 1235006679 2470013358 3705020037 7410040074 11115060111 22230120222