1340320222 has 8 divisors (see below), whose sum is σ = 2128743936. Its totient is φ = 630738912.

The previous prime is 1340320187. The next prime is 1340320229. The reversal of 1340320222 is 2220230431.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1340320222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340320229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19710558 + ... + 19710625.

It is an arithmetic number, because the mean of its divisors is an integer number (266092992).

Almost surely, 2^1340320222 is an apocalyptic number.

1340320222 is a deficient number, since it is larger than the sum of its proper divisors (788423714).

1340320222 is a wasteful number, since it uses less digits than its factorization.

1340320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39421202.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1340320222 is about 36610.3840733746. The cubic root of 1340320222 is about 1102.5615844442.

Adding to 1340320222 its reverse (2220230431), we get a palindrome (3560550653).

The spelling of 1340320222 in words is "one billion, three hundred forty million, three hundred twenty thousand, two hundred twenty-two".