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1000222117 is a prime number
BaseRepresentation
bin111011100111100…
…010110110100101
32120201002112210121
4323213202312211
54022024101432
6243130121541
733533514316
oct7347426645
92521075717
101000222117
11473665754
1223ab802b1
1312c2b730b
1496ba860d
155cc27197
hex3b9e2da5

1000222117 has 2 divisors, whose sum is σ = 1000222118. Its totient is φ = 1000222116.

The previous prime is 1000222061. The next prime is 1000222121. The reversal of 1000222117 is 7112220001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978375841 + 21846276 = 31279^2 + 4674^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000222117 - 215 = 1000189349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000222117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006222117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500111058 + 500111059.

It is an arithmetic number, because the mean of its divisors is an integer number (500111059).

Almost surely, 21000222117 is an apocalyptic number.

It is an amenable number.

1000222117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000222117 is an equidigital number, since it uses as much as digits as its factorization.

1000222117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1000222117 is about 31626.2883848232. The cubic root of 1000222117 is about 1000.0740335189.

Adding to 1000222117 its reverse (7112220001), we get a palindrome (8112442118).

The spelling of 1000222117 in words is "one billion, two hundred twenty-two thousand, one hundred seventeen".