22132202033221 has 4 divisors (see below), whose sum is σ = 25293945180832. Its totient is φ = 18970458885612.

The previous prime is 22132202033209. The next prime is 22132202033239. The reversal of 22132202033221 is 12233020223122.

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 22132202033221 - 2⁵ = 22132202033189 is a prime.

It is a super-3 number, since 3×22132202033221³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132202033261) 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, 1580871573795 + ... + 1580871573808.

It is an arithmetic number, because the mean of its divisors is an integer number (6323486295208).

Almost surely, 2^{22132202033221} is an apocalyptic number.

It is an amenable number.

22132202033221 is a deficient number, since it is larger than the sum of its proper divisors (3161743147611).

22132202033221 is an equidigital number, since it uses as much as digits as its factorization.

22132202033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161743147610.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22132202033221 its reverse (12233020223122), we get a palindrome (34365222256343).

The spelling of 22132202033221 in words is "twenty-two trillion, one hundred thirty-two billion, two hundred two million, thirty-three thousand, two hundred twenty-one".