500222201601 has 4 divisors (see below), whose sum is σ = 666962935472. Its totient is φ = 333481467732.

The previous prime is 500222201543. The next prime is 500222201657. The reversal of 500222201601 is 106102222005.

It is a happy number.

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 not a de Polignac number, because 500222201601 - 2¹³ = 500222193409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500222200601) 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, 83370366931 + ... + 83370366936.

It is an arithmetic number, because the mean of its divisors is an integer number (166740733868).

Almost surely, 2^500222201601 is an apocalyptic number.

It is an amenable number.

500222201601 is a deficient number, since it is larger than the sum of its proper divisors (166740733871).

500222201601 is a wasteful number, since it uses less digits than its factorization.

500222201601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166740733870.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 500222201601 its reverse (106102222005), we get a palindrome (606324423606).

The spelling of 500222201601 in words is "five hundred billion, two hundred twenty-two million, two hundred one thousand, six hundred one".