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222423713 is a prime number
BaseRepresentation
bin11010100000111…
…10101010100001
3120111112021222022
431100132222201
5423420024323
634023151225
75340366431
oct1520365241
9514467868
10222423713
11104609256
12625a5515
1337108985
142177c2c1
15147d84c8
hexd41eaa1

222423713 has 2 divisors, whose sum is σ = 222423714. Its totient is φ = 222423712.

The previous prime is 222423689. The next prime is 222423739. The reversal of 222423713 is 317324222.

It is a happy number.

It is an a-pointer prime, because the next prime (222423739) can be obtained adding 222423713 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158055184 + 64368529 = 12572^2 + 8023^2 .

It is a cyclic number.

It is not a de Polignac number, because 222423713 - 210 = 222422689 is a prime.

It is not a weakly prime, because it can be changed into another prime (222423743) 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, 111211856 + 111211857.

It is an arithmetic number, because the mean of its divisors is an integer number (111211857).

Almost surely, 2222423713 is an apocalyptic number.

It is an amenable number.

222423713 is a deficient number, since it is larger than the sum of its proper divisors (1).

222423713 is an equidigital number, since it uses as much as digits as its factorization.

222423713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 222423713 is about 14913.8765249012. The cubic root of 222423713 is about 605.8898754967.

Adding to 222423713 its reverse (317324222), we get a palindrome (539747935).

The spelling of 222423713 in words is "two hundred twenty-two million, four hundred twenty-three thousand, seven hundred thirteen".