1220441302 has 32 divisors (see below), whose sum is σ = 1883501280. Its totient is φ = 592945920.

The previous prime is 1220441297. The next prime is 1220441309. The reversal of 1220441302 is 2031440221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220441302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220441309) 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 in 15 ways as a sum of consecutive naturals, for example, 5329324 + ... + 5329552.

It is an arithmetic number, because the mean of its divisors is an integer number (58859415).

Almost surely, 2^1220441302 is an apocalyptic number.

1220441302 is a deficient number, since it is larger than the sum of its proper divisors (663059978).

1220441302 is a wasteful number, since it uses less digits than its factorization.

1220441302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1220441302 is about 34934.8150417317. The cubic root of 1220441302 is about 1068.6585518599.

Adding to 1220441302 its reverse (2031440221), we get a palindrome (3251881523).

The spelling of 1220441302 in words is "one billion, two hundred twenty million, four hundred forty-one thousand, three hundred two".