350533423221 has 16 divisors (see below), whose sum is σ = 480377378880. Its totient is φ = 227275297920.

The previous prime is 350533423213. The next prime is 350533423243. The reversal of 350533423221 is 122324335053.

It is not a de Polignac number, because 350533423221 - 2³ = 350533423213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350533423291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10744855 + ... + 10777428.

It is an arithmetic number, because the mean of its divisors is an integer number (30023586180).

Almost surely, 2^350533423221 is an apocalyptic number.

It is an amenable number.

350533423221 is a deficient number, since it is larger than the sum of its proper divisors (129843955659).

350533423221 is a wasteful number, since it uses less digits than its factorization.

350533423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522436.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 350533423221 its reverse (122324335053), we get a palindrome (472857758274).

The spelling of 350533423221 in words is "three hundred fifty billion, five hundred thirty-three million, four hundred twenty-three thousand, two hundred twenty-one".