1344121422 has 128 divisors (see below), whose sum is σ = 3386686464. Its totient is φ = 346871808.

The previous prime is 1344121417. The next prime is 1344121451. The reversal of 1344121422 is 2241214431.

It is a junction number, because it is equal to n+sod(n) for n = 1344121392 and 1344121401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2192388 + ... + 2193000.

It is an arithmetic number, because the mean of its divisors is an integer number (26458488).

Almost surely, 2^1344121422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344121422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693343232).

1344121422 is an abundant number, since it is smaller than the sum of its proper divisors (2042565042).

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

1344121422 is a wasteful number, since it uses less digits than its factorization.

1344121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

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

The square root of 1344121422 is about 36662.2615505372. The cubic root of 1344121422 is about 1103.6029030925.

Adding to 1344121422 its reverse (2241214431), we get a palindrome (3585335853).

The spelling of 1344121422 in words is "one billion, three hundred forty-four million, one hundred twenty-one thousand, four hundred twenty-two".