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1222344427 is a prime number
BaseRepresentation
bin100100011011011…
…0111111011101011
310011012001112022211
41020312313323223
510000410010202
6321143025551
742201520243
oct11066677353
93135045284
101222344427
11577a88507
122a143b2b7
13166318a35
14b84a8b23
15724a11d7
hex48db7eeb

1222344427 has 2 divisors, whose sum is σ = 1222344428. Its totient is φ = 1222344426.

The previous prime is 1222344397. The next prime is 1222344457. The reversal of 1222344427 is 7244432221.

It is a balanced prime because it is at equal distance from previous prime (1222344397) and next prime (1222344457).

It is a cyclic number.

It is not a de Polignac number, because 1222344427 - 215 = 1222311659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222344457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611172213 + 611172214.

It is an arithmetic number, because the mean of its divisors is an integer number (611172214).

Almost surely, 21222344427 is an apocalyptic number.

1222344427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222344427 is an equidigital number, since it uses as much as digits as its factorization.

1222344427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 31.

The square root of 1222344427 is about 34962.0426605769. The cubic root of 1222344427 is about 1069.2137429947.

Adding to 1222344427 its reverse (7244432221), we get a palindrome (8466776648).

The spelling of 1222344427 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred twenty-seven".