422340240343 has 4 divisors (see below), whose sum is σ = 482674560400. Its totient is φ = 362005920288.

The previous prime is 422340240337. The next prime is 422340240389. The reversal of 422340240343 is 343042043224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422340240343 - 2¹³ = 422340232151 is a prime.

It is a super-2 number, since 2×422340240343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422340240313) 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, 30167160018 + ... + 30167160031.

It is an arithmetic number, because the mean of its divisors is an integer number (120668640100).

Almost surely, 2^422340240343 is an apocalyptic number.

422340240343 is a deficient number, since it is larger than the sum of its proper divisors (60334320057).

422340240343 is an equidigital number, since it uses as much as digits as its factorization.

422340240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60334320056.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 422340240343 its reverse (343042043224), we get a palindrome (765382283567).

The spelling of 422340240343 in words is "four hundred twenty-two billion, three hundred forty million, two hundred forty thousand, three hundred forty-three".