1220322043 has 2 divisors, whose sum is σ = 1220322044. Its totient is φ = 1220322042.

The previous prime is 1220322007. The next prime is 1220322079. The reversal of 1220322043 is 3402230221.

It is a balanced prime because it is at equal distance from previous prime (1220322007) and next prime (1220322079).

It is a cyclic number.

It is not a de Polignac number, because 1220322043 - 2²⁵ = 1186767611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322043.

It is not a weakly prime, because it can be changed into another prime (1220322743) 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, 610161021 + 610161022.

It is an arithmetic number, because the mean of its divisors is an integer number (610161022).

Almost surely, 2^1220322043 is an apocalyptic number.

1220322043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220322043 is an equidigital number, since it uses as much as digits as its factorization.

1220322043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1220322043 is about 34933.1081210934. The cubic root of 1220322043 is about 1068.6237416915.

Adding to 1220322043 its reverse (3402230221), we get a palindrome (4622552264).

The spelling of 1220322043 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, forty-three".