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222114257 is a prime number
BaseRepresentation
bin11010011110100…
…11000111010001
3120110221120110222
431033103013101
5423330124012
634012402425
75334640301
oct1517230721
9513846428
10222114257
11104417802
1262476415
133702ab71
14216db601
1514776972
hexd3d31d1

222114257 has 2 divisors, whose sum is σ = 222114258. Its totient is φ = 222114256.

The previous prime is 222114241. The next prime is 222114281. The reversal of 222114257 is 752411222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217887121 + 4227136 = 14761^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 222114257 - 24 = 222114241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222114157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111057128 + 111057129.

It is an arithmetic number, because the mean of its divisors is an integer number (111057129).

Almost surely, 2222114257 is an apocalyptic number.

It is an amenable number.

222114257 is a deficient number, since it is larger than the sum of its proper divisors (1).

222114257 is an equidigital number, since it uses as much as digits as its factorization.

222114257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 26.

The square root of 222114257 is about 14903.4981464084. The cubic root of 222114257 is about 605.6087554729.

Adding to 222114257 its reverse (752411222), we get a palindrome (974525479).

The spelling of 222114257 in words is "two hundred twenty-two million, one hundred fourteen thousand, two hundred fifty-seven".