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814822227 = 331071312153
BaseRepresentation
bin110000100100010…
…011001101010011
32002210020020222000
4300210103031103
53132043302402
6212504245043
726122606002
oct6044231523
92083206860
10814822227
11388a44aaa
121a8a70783
13cca7263b
147a306c39
154b803c1c
hex30913353

814822227 has 32 divisors (see below), whose sum is σ = 1228296960. Its totient is φ = 533782080.

The previous prime is 814822181. The next prime is 814822231. The reversal of 814822227 is 722228418.

It is not a de Polignac number, because 814822227 - 223 = 806433619 is a prime.

It is a super-2 number, since 2×8148222272 = 1327870523226479058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 814822191 and 814822200.

It is not an unprimeable number, because it can be changed into a prime (814822237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377383 + ... + 379535.

It is an arithmetic number, because the mean of its divisors is an integer number (38384280).

Almost surely, 2814822227 is an apocalyptic number.

814822227 is a deficient number, since it is larger than the sum of its proper divisors (413474733).

814822227 is a wasteful number, since it uses less digits than its factorization.

814822227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2394 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 814822227 is about 28545.0911191399. The cubic root of 814822227 is about 934.0159423782.

The spelling of 814822227 in words is "eight hundred fourteen million, eight hundred twenty-two thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 107 131 321 393 963 1179 2153 2889 3537 6459 14017 19377 42051 58131 126153 230371 282043 378459 691113 846129 2073339 2538387 6220017 7615161 30178601 90535803 271607409 814822227