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1002227 is a prime number
BaseRepresentation
bin11110100101011110011
31212220210112
43310223303
5224032402
633251535
711342642
oct3645363
91786715
101002227
11624a96
12403bab
13291245
141c1359
1514be52
hexf4af3

1002227 has 2 divisors, whose sum is σ = 1002228. Its totient is φ = 1002226.

The previous prime is 1002191. The next prime is 1002241. The reversal of 1002227 is 7222001.

It is an a-pointer prime, because the next prime (1002241) can be obtained adding 1002227 to its sum of digits (14).

It is a strong prime.

It is an emirp because it is prime and its reverse (7222001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1002227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1002247) 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 as a sum of consecutive naturals, namely, 501113 + 501114.

It is an arithmetic number, because the mean of its divisors is an integer number (501114).

21002227 is an apocalyptic number.

1002227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002227 is an equidigital number, since it uses as much as digits as its factorization.

1002227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1002227 is about 1001.1128807482. The cubic root of 1002227 is about 100.0741782955.

Adding to 1002227 its reverse (7222001), we get a palindrome (8224228).

The spelling of 1002227 in words is "one million, two thousand, two hundred twenty-seven".