22322133221 has 4 divisors (see below), whose sum is σ = 22332268032. Its totient is φ = 22311998412.

The previous prime is 22322133191. The next prime is 22322133227. The reversal of 22322133221 is 12233122322.

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 22322133221 - 2³⁰ = 21248391397 is a prime.

It is a super-3 number, since 3×22322133221³ (a number of 32 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 (22322133227) 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, 5064101 + ... + 5068506.

It is an arithmetic number, because the mean of its divisors is an integer number (5583067008).

Almost surely, 2^22322133221 is an apocalyptic number.

It is an amenable number.

22322133221 is a deficient number, since it is larger than the sum of its proper divisors (10134811).

22322133221 is a wasteful number, since it uses less digits than its factorization.

22322133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10134810.

The product of its digits is 1728, while the sum is 23.

Adding to 22322133221 its reverse (12233122322), we get a palindrome (34555255543).

The spelling of 22322133221 in words is "twenty-two billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty-one".