1343440422 has 12 divisors (see below), whose sum is σ = 2910787620. Its totient is φ = 447813468.

The previous prime is 1343440409. The next prime is 1343440447. The reversal of 1343440422 is 2240443431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37317772 + ... + 37317807.

It is an arithmetic number, because the mean of its divisors is an integer number (242565635).

Almost surely, 2^1343440422 is an apocalyptic number.

1343440422 is an abundant number, since it is smaller than the sum of its proper divisors (1567347198).

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

1343440422 is a wasteful number, since it uses less digits than its factorization.

1343440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74635587 (or 74635584 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1343440422 is about 36652.9728944325. The cubic root of 1343440422 is about 1103.4164912288.

Adding to 1343440422 its reverse (2240443431), we get a palindrome (3583883853).

The spelling of 1343440422 in words is "one billion, three hundred forty-three million, four hundred forty thousand, four hundred twenty-two".