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1222434220331 is a prime number
BaseRepresentation
bin10001110010011110110…
…000011110100100101011
311022212022112122120202202
4101302132300132210223
5130012021130022311
62333324543450415
7154214026300142
oct21623660364453
94285275576682
101222434220331
11431482280955
12178aba8b6a0b
138b3763a01ac
1443247c1a759
1521be94dbe3b
hex11c9ec1e92b

1222434220331 has 2 divisors, whose sum is σ = 1222434220332. Its totient is φ = 1222434220330.

The previous prime is 1222434220279. The next prime is 1222434220373. The reversal of 1222434220331 is 1330224342221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222434220331 is a prime.

It is a super-2 number, since 2×12224342203312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222434220294 and 1222434220303.

It is not a weakly prime, because it can be changed into another prime (1222434520331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611217110165 + 611217110166.

It is an arithmetic number, because the mean of its divisors is an integer number (611217110166).

Almost surely, 21222434220331 is an apocalyptic number.

1222434220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222434220331 is an equidigital number, since it uses as much as digits as its factorization.

1222434220331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1222434220331 its reverse (1330224342221), we get a palindrome (2552658562552).

The spelling of 1222434220331 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-four million, two hundred twenty thousand, three hundred thirty-one".