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222000101 is a prime number
BaseRepresentation
bin11010011101101…
…11001111100101
3120110201202212222
431032313033211
5423313000401
634010122125
75333653421
oct1516671745
9513652788
10222000101
11104349a64
1262420345
1336cbac0b
14216abb81
1514752c1b
hexd3b73e5

222000101 has 2 divisors, whose sum is σ = 222000102. Its totient is φ = 222000100.

The previous prime is 222000061. The next prime is 222000113. The reversal of 222000101 is 101000222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207331201 + 14668900 = 14399^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 222000101 - 210 = 221999077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000050 + 111000051.

It is an arithmetic number, because the mean of its divisors is an integer number (111000051).

Almost surely, 2222000101 is an apocalyptic number.

It is an amenable number.

222000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000101 is an equidigital number, since it uses as much as digits as its factorization.

222000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 222000101 is about 14899.6678150890. The cubic root of 222000101 is about 605.5049864769.

Adding to 222000101 its reverse (101000222), we get a palindrome (323000323).

The spelling of 222000101 in words is "two hundred twenty-two million, one hundred one", and thus it is an aban number.