1340203422 has 16 divisors (see below), whose sum is σ = 2796946560. Its totient is φ = 427311192.

The previous prime is 1340203409. The next prime is 1340203427. The reversal of 1340203422 is 2243020431.

It is a super-2 number, since 2×1340203422² = 3592290424681020168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340203427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855672 + ... + 4855947.

It is an arithmetic number, because the mean of its divisors is an integer number (174809160).

Almost surely, 2^1340203422 is an apocalyptic number.

1340203422 is an abundant number, since it is smaller than the sum of its proper divisors (1456743138).

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

1340203422 is a wasteful number, since it uses less digits than its factorization.

1340203422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711647.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1340203422 is about 36608.7888627854. The cubic root of 1340203422 is about 1102.5295565423.

Adding to 1340203422 its reverse (2243020431), we get a palindrome (3583223853).

The spelling of 1340203422 in words is "one billion, three hundred forty million, two hundred three thousand, four hundred twenty-two".