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222224143 is a prime number
BaseRepresentation
bin11010011111011…
…01111100001111
3120111011011012211
431033231330033
5423342133033
634015011251
75335605541
oct1517557417
9514134184
10222224143
11104492319
1262509b27
1337068b9b
1421729691
15147992cd
hexd3edf0f

222224143 has 2 divisors, whose sum is σ = 222224144. Its totient is φ = 222224142.

The previous prime is 222224087. The next prime is 222224179. The reversal of 222224143 is 341422222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222224143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222224243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111112071 + 111112072.

It is an arithmetic number, because the mean of its divisors is an integer number (111112072).

Almost surely, 2222224143 is an apocalyptic number.

222224143 is a deficient number, since it is larger than the sum of its proper divisors (1).

222224143 is an equidigital number, since it uses as much as digits as its factorization.

222224143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 22.

The square root of 222224143 is about 14907.1842747046. The cubic root of 222224143 is about 605.7086094148.

Adding to 222224143 its reverse (341422222), we get a palindrome (563646365).

The spelling of 222224143 in words is "two hundred twenty-two million, two hundred twenty-four thousand, one hundred forty-three".