222143983 has 2 divisors, whose sum is σ = 222143984. Its totient is φ = 222143982.

The previous prime is 222143917. The next prime is 222144001. The reversal of 222143983 is 389341222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222143983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222140983) 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, 111071991 + 111071992.

It is an arithmetic number, because the mean of its divisors is an integer number (111071992).

Almost surely, 2^222143983 is an apocalyptic number.

222143983 is a deficient number, since it is larger than the sum of its proper divisors (1).

222143983 is an equidigital number, since it uses as much as digits as its factorization.

222143983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 222143983 is about 14904.4953956852. The cubic root of 222143983 is about 605.6357708824.

The spelling of 222143983 in words is "two hundred twenty-two million, one hundred forty-three thousand, nine hundred eighty-three".