122219983 has 2 divisors, whose sum is σ = 122219984. Its totient is φ = 122219982.

The previous prime is 122219939. The next prime is 122220019. The reversal of 122219983 is 389912221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122219983 is a prime.

It is equal to p_6960862 and since 122219983 and 6960862 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122219683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61109991 + 61109992.

It is an arithmetic number, because the mean of its divisors is an integer number (61109992).

Almost surely, 2^122219983 is an apocalyptic number.

122219983 is a deficient number, since it is larger than the sum of its proper divisors (1).

122219983 is an equidigital number, since it uses as much as digits as its factorization.

122219983 is an odious number, because the sum of its binary digits is odd.

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

The square root of 122219983 is about 11055.3146947520. The cubic root of 122219983 is about 496.2654869360.

The spelling of 122219983 in words is "one hundred twenty-two million, two hundred nineteen thousand, nine hundred eighty-three".