1340331422 has 8 divisors (see below), whose sum is σ = 2021023872. Its totient is φ = 666656800.

The previous prime is 1340331409. The next prime is 1340331431. The reversal of 1340331422 is 2241330431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753979 + ... + 1754742.

It is an arithmetic number, because the mean of its divisors is an integer number (252627984).

Almost surely, 2^1340331422 is an apocalyptic number.

1340331422 is a deficient number, since it is larger than the sum of its proper divisors (680692450).

1340331422 is a wasteful number, since it uses less digits than its factorization.

1340331422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508914.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1340331422 is about 36610.5370351215. The cubic root of 1340331422 is about 1102.5646555151.

Adding to 1340331422 its reverse (2241330431), we get a palindrome (3581661853).

Subtracting 1340331422 from its reverse (2241330431), we obtain a palindrome (900999009).

The spelling of 1340331422 in words is "one billion, three hundred forty million, three hundred thirty-one thousand, four hundred twenty-two".