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1222210110169 is a prime number
BaseRepresentation
bin10001110010010001011…
…001100100001011011001
311022211201220221121102101
4101302101121210023121
5130011041242011134
62333250420203401
7154205335344556
oct21622131441331
94284656847371
101222210110169
11431377820644
12178a57839561
138b33bb23a29
144322615da2d
1521bd49bde14
hex11c916642d9

1222210110169 has 2 divisors, whose sum is σ = 1222210110170. Its totient is φ = 1222210110168.

The previous prime is 1222210110067. The next prime is 1222210110221. The reversal of 1222210110169 is 9610110122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041648854544 + 180561255625 = 1020612^2 + 424925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222210110169 - 29 = 1222210109657 is a prime.

It is a super-2 number, since 2×12222101101692 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222210110269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611105055084 + 611105055085.

It is an arithmetic number, because the mean of its divisors is an integer number (611105055085).

Almost surely, 21222210110169 is an apocalyptic number.

It is an amenable number.

1222210110169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222210110169 is an equidigital number, since it uses as much as digits as its factorization.

1222210110169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 1222210110169 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred ten thousand, one hundred sixty-nine".