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1222463227 is a prime number
BaseRepresentation
bin100100011011101…
…0100111011111011
310011012021120021211
41020313110323323
510000422310402
6321145343551
742202523506
oct11067247373
93135246254
101222463227
11578059797
122a1497bb7
1316635ab2b
14b84da13d
15724c64d7
hex48dd4efb

1222463227 has 2 divisors, whose sum is σ = 1222463228. Its totient is φ = 1222463226.

The previous prime is 1222463201. The next prime is 1222463299. The reversal of 1222463227 is 7223642221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222463227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222463527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611231613 + 611231614.

It is an arithmetic number, because the mean of its divisors is an integer number (611231614).

Almost surely, 21222463227 is an apocalyptic number.

1222463227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222463227 is an equidigital number, since it uses as much as digits as its factorization.

1222463227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 1222463227 is about 34963.7416046967. The cubic root of 1222463227 is about 1069.2483809344.

The spelling of 1222463227 in words is "one billion, two hundred twenty-two million, four hundred sixty-three thousand, two hundred twenty-seven".