1340222203 has 2 divisors, whose sum is σ = 1340222204. Its totient is φ = 1340222202.

The previous prime is 1340222189. The next prime is 1340222231. The reversal of 1340222203 is 3022220431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340222203 - 2⁹ = 1340221691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340222503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670111101 + 670111102.

It is an arithmetic number, because the mean of its divisors is an integer number (670111102).

Almost surely, 2^1340222203 is an apocalyptic number.

1340222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340222203 is an equidigital number, since it uses as much as digits as its factorization.

1340222203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1340222203 is about 36609.0453713287. The cubic root of 1340222203 is about 1102.5347066338.

Adding to 1340222203 its reverse (3022220431), we get a palindrome (4362442634).

The spelling of 1340222203 in words is "one billion, three hundred forty million, two hundred twenty-two thousand, two hundred three".