1222109983 has 2 divisors, whose sum is σ = 1222109984. Its totient is φ = 1222109982.

The previous prime is 1222109981. The next prime is 1222109989. The reversal of 1222109983 is 3899012221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222109983 - 2¹ = 1222109981 is a prime.

Together with 1222109981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222109981) 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, 611054991 + 611054992.

It is an arithmetic number, because the mean of its divisors is an integer number (611054992).

Almost surely, 2^1222109983 is an apocalyptic number.

1222109983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222109983 is an equidigital number, since it uses as much as digits as its factorization.

1222109983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1222109983 is about 34958.6896636587. The cubic root of 1222109983 is about 1069.1453807096.

The spelling of 1222109983 in words is "one billion, two hundred twenty-two million, one hundred nine thousand, nine hundred eighty-three".