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1122628469 is a prime number
BaseRepresentation
bin100001011101001…
…1111001101110101
32220020102102202012
41002322133031311
54244343102334
6303221454005
736551120204
oct10272371565
92806372665
101122628469
11526770426
12273b71305
1314b774601
14a914d23b
15688559ce
hex42e9f375

1122628469 has 2 divisors, whose sum is σ = 1122628470. Its totient is φ = 1122628468.

The previous prime is 1122628453. The next prime is 1122628561. The reversal of 1122628469 is 9648262211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1119772369 + 2856100 = 33463^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122628469 - 24 = 1122628453 is a prime.

It is a super-2 number, since 2×11226284692 = 2520589358818567922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122628769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561314234 + 561314235.

It is an arithmetic number, because the mean of its divisors is an integer number (561314235).

Almost surely, 21122628469 is an apocalyptic number.

It is an amenable number.

1122628469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122628469 is an equidigital number, since it uses as much as digits as its factorization.

1122628469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 1122628469 is about 33505.6483148737. The cubic root of 1122628469 is about 1039.3105850634.

The spelling of 1122628469 in words is "one billion, one hundred twenty-two million, six hundred twenty-eight thousand, four hundred sixty-nine".