1344222500 has 60 divisors (see below), whose sum is σ = 3041073420. Its totient is φ = 519120000.

The previous prime is 1344222463. The next prime is 1344222559. The reversal of 1344222500 is 52224431.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 1036711204 + 307511296 = 32198^2 + 17536^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 63230 + ... + 81770.

It is an arithmetic number, because the mean of its divisors is an integer number (50684557).

Almost surely, 2^1344222500 is an apocalyptic number.

1344222500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344222500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520536710).

1344222500 is an abundant number, since it is smaller than the sum of its proper divisors (1696850920).

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

1344222500 is a wasteful number, since it uses less digits than its factorization.

1344222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18594 (or 18577 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1344222500 is about 36663.6400265986. The cubic root of 1344222500 is about 1103.6305660641.

Adding to 1344222500 its reverse (52224431), we get a palindrome (1396446931).

The spelling of 1344222500 in words is "one billion, three hundred forty-four million, two hundred twenty-two thousand, five hundred".