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1112222227 is a prime number
BaseRepresentation
bin100001001001011…
…0010101000010011
32212111211202001211
41002102302220103
54234212102402
6302210440551
736363506254
oct10222625023
92774752054
101112222227
11520903026
12270593157
1314956cb7c
14a7a00b2b
156799c4d7
hex424b2a13

1112222227 has 2 divisors, whose sum is σ = 1112222228. Its totient is φ = 1112222226.

The previous prime is 1112222213. The next prime is 1112222249. The reversal of 1112222227 is 7222222111.

It is an a-pointer prime, because the next prime (1112222249) can be obtained adding 1112222227 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112222227 is a prime.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1112222198 and 1112222207.

It is not a weakly prime, because it can be changed into another prime (1112222207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556111113 + 556111114.

It is an arithmetic number, because the mean of its divisors is an integer number (556111114).

Almost surely, 21112222227 is an apocalyptic number.

1112222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112222227 is an equidigital number, since it uses as much as digits as its factorization.

1112222227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 22.

The square root of 1112222227 is about 33349.9959070462. The cubic root of 1112222227 is about 1036.0893031723.

Adding to 1112222227 its reverse (7222222111), we get a palindrome (8334444338).

The spelling of 1112222227 in words is "one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-seven".