1220330022 has 16 divisors (see below), whose sum is σ = 2444535552. Its totient is φ = 406130760.

The previous prime is 1220330009. The next prime is 1220330029. The reversal of 1220330022 is 2200330221.

It is a junction number, because it is equal to n+sod(n) for n = 1220329983 and 1220330010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220330029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157378 + ... + 164949.

It is an arithmetic number, because the mean of its divisors is an integer number (152783472).

Almost surely, 2^1220330022 is an apocalyptic number.

1220330022 is an abundant number, since it is smaller than the sum of its proper divisors (1224205530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220330022 is a wasteful number, since it uses less digits than its factorization.

1220330022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322963.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220330022 is about 34933.2223248872. Note that the first 3 decimals coincide. The cubic root of 1220330022 is about 1068.6260707298.

Adding to 1220330022 its reverse (2200330221), we get a palindrome (3420660243).

The spelling of 1220330022 in words is "one billion, two hundred twenty million, three hundred thirty thousand, twenty-two".