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222205223 is a prime number
BaseRepresentation
bin11010011111010…
…01010100100111
3120111010012021002
431033221110213
5423341031343
634014343515
75335466432
oct1517512447
9514105232
10222205223
1110447a089
12624bab9b
13370603a6
1421722819
15147938b8
hexd3e9527

222205223 has 2 divisors, whose sum is σ = 222205224. Its totient is φ = 222205222.

The previous prime is 222205219. The next prime is 222205229. The reversal of 222205223 is 322502222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222205223 - 22 = 222205219 is a prime.

It is a super-2 number, since 2×2222052232 = 98750322256959458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222205195 and 222205204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222205229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111102611 + 111102612.

It is an arithmetic number, because the mean of its divisors is an integer number (111102612).

Almost surely, 2222205223 is an apocalyptic number.

222205223 is a deficient number, since it is larger than the sum of its proper divisors (1).

222205223 is an equidigital number, since it uses as much as digits as its factorization.

222205223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 222205223 is about 14906.5496678474. The cubic root of 222205223 is about 605.6914190652.

Adding to 222205223 its reverse (322502222), we get a palindrome (544707445).

The spelling of 222205223 in words is "two hundred twenty-two million, two hundred five thousand, two hundred twenty-three".