22202202210221 has 8 divisors (see below), whose sum is σ = 24226501841184. Its totient is φ = 20178888847920.

The previous prime is 22202202210211. The next prime is 22202202210263. The reversal of 22202202210221 is 12201220220222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22202202210221 - 2³⁰ = 22201128468397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22202202210193 and 22202202210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202202210211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246520091 + ... + 246610136.

It is an arithmetic number, because the mean of its divisors is an integer number (3028312730148).

Almost surely, 2^{22202202210221} is an apocalyptic number.

It is an amenable number.

22202202210221 is a deficient number, since it is larger than the sum of its proper divisors (2024299630963).

22202202210221 is a wasteful number, since it uses less digits than its factorization.

22202202210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493134331.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22202202210221 its reverse (12201220220222), we get a palindrome (34403422430443).

The spelling of 22202202210221 in words is "twenty-two trillion, two hundred two billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".