422516410321 has 4 divisors (see below), whose sum is σ = 422558888500. Its totient is φ = 422473932144.

The previous prime is 422516410319. The next prime is 422516410357. The reversal of 422516410321 is 123014615224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65312958096 + 357203452225 = 255564^2 + 597665^2 .

It is a cyclic number.

It is not a de Polignac number, because 422516410321 - 2¹ = 422516410319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422516410621) 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, 21224166 + ... + 21244063.

It is an arithmetic number, because the mean of its divisors is an integer number (105639722125).

Almost surely, 2^422516410321 is an apocalyptic number.

It is an amenable number.

422516410321 is a deficient number, since it is larger than the sum of its proper divisors (42478179).

422516410321 is an equidigital number, since it uses as much as digits as its factorization.

422516410321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42478178.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 422516410321 in words is "four hundred twenty-two billion, five hundred sixteen million, four hundred ten thousand, three hundred twenty-one".