1220043324 has 48 divisors (see below), whose sum is σ = 2873832192. Its totient is φ = 402834432.

The previous prime is 1220043323. The next prime is 1220043353. The reversal of 1220043324 is 4233400221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220043324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220043323) 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 15 ways as a sum of consecutive naturals, for example, 608107 + ... + 610109.

It is an arithmetic number, because the mean of its divisors is an integer number (59871504).

Almost surely, 2^1220043324 is an apocalyptic number.

It is an amenable number.

1220043324 is an abundant number, since it is smaller than the sum of its proper divisors (1653788868).

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

1220043324 is a wasteful number, since it uses less digits than its factorization.

1220043324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2464 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1220043324 is about 34929.1185688961. The cubic root of 1220043324 is about 1068.5423783549.

Adding to 1220043324 its reverse (4233400221), we get a palindrome (5453443545).

The spelling of 1220043324 in words is "one billion, two hundred twenty million, forty-three thousand, three hundred twenty-four".