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2222110101222 = 2321111222778289
BaseRepresentation
bin100000010101100000000…
…101010100111011100110
321212102122200012001102100
4200111200011110323212
5242401340141214342
64420453455152530
7316353650133414
oct40254005247346
97772580161370
102222110101222
11787434249310
122ba7b0215746
1313170c47497b
147979d1b22b4
153cc0757ce4c
hex20560154ee6

2222110101222 has 24 divisors (see below), whose sum is σ = 5252260239720. Its totient is φ = 673366697280.

The previous prime is 2222110101151. The next prime is 2222110101229. The reversal of 2222110101222 is 2221010112222.

It is a happy number.

2222110101222 is a `hidden beast` number, since 222 + 211 + 0 + 10 + 1 + 222 = 666.

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 = 2222110101195 and 2222110101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222110101229) 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 11 ways as a sum of consecutive naturals, for example, 5611388947 + ... + 5611389342.

It is an arithmetic number, because the mean of its divisors is an integer number (218844176655).

Almost surely, 22222110101222 is an apocalyptic number.

2222110101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222110101222 is an abundant number, since it is smaller than the sum of its proper divisors (3030150138498).

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

2222110101222 is a wasteful number, since it uses less digits than its factorization.

2222110101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222778308 (or 11222778305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222110101222 its reverse (2221010112222), we get a palindrome (4443120213444).

The spelling of 2222110101222 in words is "two trillion, two hundred twenty-two billion, one hundred ten million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 11222778289 22445556578 33668334867 67336669734 101005004601 123450561179 202010009202 246901122358 370351683537 740703367074 1111055050611 2222110101222