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322213 is a prime number
BaseRepresentation
bin1001110101010100101
3121100222211
41032222211
540302323
610523421
72511253
oct1165245
9540884
10322213
112000a1
12136571
13b3878
14855d3
156570d
hex4eaa5

322213 has 2 divisors, whose sum is σ = 322214. Its totient is φ = 322212.

The previous prime is 322193. The next prime is 322229. The reversal of 322213 is 312223.

Adding to 322213 its reverse (312223), we get a palindrome (634436).

It can be divided in two parts, 322 and 213, that multiplied together give a palindrome (68586).

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272484 + 49729 = 522^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 322213 - 213 = 314021 is a prime.

It is a d-powerful number, because it can be written as 310 + 212 + 214 + 216 + 1 + 311 .

322213 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 322193 and 322202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161106 + 161107.

It is an arithmetic number, because the mean of its divisors is an integer number (161107).

2322213 is an apocalyptic number.

It is an amenable number.

322213 is a deficient number, since it is larger than the sum of its proper divisors (1).

322213 is an equidigital number, since it uses as much as digits as its factorization.

322213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 13.

The square root of 322213 is about 567.6380889264. The cubic root of 322213 is about 68.5563498177.

The spelling of 322213 in words is "three hundred twenty-two thousand, two hundred thirteen".