1220441343 has 32 divisors (see below), whose sum is σ = 1795779072. Its totient is φ = 731136000.

The previous prime is 1220441323. The next prime is 1220441357. The reversal of 1220441343 is 3431440221.

It is not a de Polignac number, because 1220441343 - 2⁶ = 1220441279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220441323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1280155 + ... + 1281107.

It is an arithmetic number, because the mean of its divisors is an integer number (56118096).

Almost surely, 2^1220441343 is an apocalyptic number.

1220441343 is a deficient number, since it is larger than the sum of its proper divisors (575337729).

1220441343 is a wasteful number, since it uses less digits than its factorization.

1220441343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1220441343 is about 34934.8156285388. The cubic root of 1220441343 is about 1068.6585638269.

Adding to 1220441343 its reverse (3431440221), we get a palindrome (4651881564).

The spelling of 1220441343 in words is "one billion, two hundred twenty million, four hundred forty-one thousand, three hundred forty-three".