22322331221 has 8 divisors (see below), whose sum is σ = 22422759744. Its totient is φ = 22221967680.

The previous prime is 22322331217. The next prime is 22322331271. The reversal of 22322331221 is 12213322322.

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

It is a cyclic number.

It is not a de Polignac number, because 22322331221 - 2² = 22322331217 is a prime.

It is a super-3 number, since 3×22322331221³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22322331271) 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, 753536 + ... + 782598.

It is an arithmetic number, because the mean of its divisors is an integer number (2802844968).

Almost surely, 2^22322331221 is an apocalyptic number.

It is an amenable number.

22322331221 is a deficient number, since it is larger than the sum of its proper divisors (100428523).

22322331221 is a wasteful number, since it uses less digits than its factorization.

22322331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32491.

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

Adding to 22322331221 its reverse (12213322322), we get a palindrome (34535653543).

The spelling of 22322331221 in words is "twenty-two billion, three hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-one".