1344112220 has 24 divisors (see below), whose sum is σ = 3079239408. Its totient is φ = 488768000.

The previous prime is 1344112151. The next prime is 1344112223. The reversal of 1344112220 is 222114431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1344112192 and 1344112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344112223) 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, 3054581 + ... + 3055020.

It is an arithmetic number, because the mean of its divisors is an integer number (128301642).

Almost surely, 2^1344112220 is an apocalyptic number.

1344112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344112220 is an abundant number, since it is smaller than the sum of its proper divisors (1735127188).

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

1344112220 is a wasteful number, since it uses less digits than its factorization.

1344112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109621 (or 6109619 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1344112220 is about 36662.1360534271. The cubic root of 1344112220 is about 1103.6003846253.

Adding to 1344112220 its reverse (222114431), we get a palindrome (1566226651).

It can be divided in two parts, 134411 and 2220, that added together give a palindrome (136631).

The spelling of 1344112220 in words is "one billion, three hundred forty-four million, one hundred twelve thousand, two hundred twenty".