422521331203 has 4 divisors (see below), whose sum is σ = 440891823888. Its totient is φ = 404150838520.

The previous prime is 422521331189. The next prime is 422521331209. The reversal of 422521331203 is 302133125224.

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 422521331203 - 2⁵ = 422521331171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422521331209) 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, 9185246308 + ... + 9185246353.

It is an arithmetic number, because the mean of its divisors is an integer number (110222955972).

Almost surely, 2^422521331203 is an apocalyptic number.

422521331203 is a deficient number, since it is larger than the sum of its proper divisors (18370492685).

422521331203 is a wasteful number, since it uses less digits than its factorization.

422521331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370492684.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 422521331203 its reverse (302133125224), we get a palindrome (724654456427).

The spelling of 422521331203 in words is "four hundred twenty-two billion, five hundred twenty-one million, three hundred thirty-one thousand, two hundred three".