1344221142 has 16 divisors (see below), whose sum is σ = 2932846272. Its totient is φ = 407339720.

The previous prime is 1344221129. The next prime is 1344221143. The reversal of 1344221142 is 2411224431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344221143) 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 7 ways as a sum of consecutive naturals, for example, 10183428 + ... + 10183559.

It is an arithmetic number, because the mean of its divisors is an integer number (183302892).

Almost surely, 2^1344221142 is an apocalyptic number.

1344221142 is an abundant number, since it is smaller than the sum of its proper divisors (1588625130).

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

1344221142 is a wasteful number, since it uses less digits than its factorization.

1344221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20367003.

The product of its digits is 1536, while the sum is 24.

The square root of 1344221142 is about 36663.6215068834. The cubic root of 1344221142 is about 1103.6301944166.

Adding to 1344221142 its reverse (2411224431), we get a palindrome (3755445573).

The spelling of 1344221142 in words is "one billion, three hundred forty-four million, two hundred twenty-one thousand, one hundred forty-two".