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222668899 is a prime number
BaseRepresentation
bin11010100010110…
…10100001100011
3120111222202022021
431101122201203
5424000401044
634032322311
75342440315
oct1521324143
9514882267
10222668899
11104766492
12626a3397
133719345b
14218037b5
1514835e84
hexd45a863

222668899 has 2 divisors, whose sum is σ = 222668900. Its totient is φ = 222668898.

The previous prime is 222668881. The next prime is 222668917. The reversal of 222668899 is 998866222.

It is a balanced prime because it is at equal distance from previous prime (222668881) and next prime (222668917).

It is a cyclic number.

It is not a de Polignac number, because 222668899 - 25 = 222668867 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (222668879) 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, 111334449 + 111334450.

It is an arithmetic number, because the mean of its divisors is an integer number (111334450).

Almost surely, 2222668899 is an apocalyptic number.

222668899 is a deficient number, since it is larger than the sum of its proper divisors (1).

222668899 is an equidigital number, since it uses as much as digits as its factorization.

222668899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 222668899 is about 14922.0943235191. The cubic root of 222668899 is about 606.1124254521.

The spelling of 222668899 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, eight hundred ninety-nine".