422401333243 has 4 divisors (see below), whose sum is σ = 422416025200. Its totient is φ = 422386641288.

The previous prime is 422401333241. The next prime is 422401333247. The reversal of 422401333243 is 342333104224.

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 422401333243 - 2¹ = 422401333241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422401333241) 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, 7302768 + ... + 7360381.

It is an arithmetic number, because the mean of its divisors is an integer number (105604006300).

Almost surely, 2^422401333243 is an apocalyptic number.

422401333243 is a deficient number, since it is larger than the sum of its proper divisors (14691957).

422401333243 is a wasteful number, since it uses less digits than its factorization.

422401333243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14691956.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 422401333243 its reverse (342333104224), we get a palindrome (764734437467).

The spelling of 422401333243 in words is "four hundred twenty-two billion, four hundred one million, three hundred thirty-three thousand, two hundred forty-three".