422548314521 has 4 divisors (see below), whose sum is σ = 436178905344. Its totient is φ = 408917723700.

The previous prime is 422548314509. The next prime is 422548314557. The reversal of 422548314521 is 125413845224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422548314521 - 2¹⁰ = 422548313497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422548314571) 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, 6815295365 + ... + 6815295426.

It is an arithmetic number, because the mean of its divisors is an integer number (109044726336).

Almost surely, 2^422548314521 is an apocalyptic number.

It is an amenable number.

422548314521 is a deficient number, since it is larger than the sum of its proper divisors (13630590823).

422548314521 is a wasteful number, since it uses less digits than its factorization.

422548314521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13630590822.

The product of its digits is 307200, while the sum is 41.

The spelling of 422548314521 in words is "four hundred twenty-two billion, five hundred forty-eight million, three hundred fourteen thousand, five hundred twenty-one".