1422406343 has 4 divisors (see below), whose sum is σ = 1423024680. Its totient is φ = 1421788008.

The previous prime is 1422406247. The next prime is 1422406361. The reversal of 1422406343 is 3436042241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3436042241 = 9377 ⋅366433.

It is a cyclic number.

It is not a de Polignac number, because 1422406343 - 2²⁸ = 1153970887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422406243) 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, 305705 + ... + 310322.

It is an arithmetic number, because the mean of its divisors is an integer number (355756170).

Almost surely, 2^1422406343 is an apocalyptic number.

1422406343 is a deficient number, since it is larger than the sum of its proper divisors (618337).

1422406343 is an equidigital number, since it uses as much as digits as its factorization.

1422406343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618336.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 1422406343 is about 37714.8027039782. The cubic root of 1422406343 is about 1124.6254141869.

Adding to 1422406343 its reverse (3436042241), we get a palindrome (4858448584).

The spelling of 1422406343 in words is "one billion, four hundred twenty-two million, four hundred six thousand, three hundred forty-three".