22222303121 has 8 divisors (see below), whose sum is σ = 22774493280. Its totient is φ = 21671721792.

The previous prime is 22222303109. The next prime is 22222303127. The reversal of 22222303121 is 12130322222.

It is a happy number.

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 22222303121 - 2²² = 22218108817 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 = 22222303093 and 22222303102.

It is not an unprimeable number, because it can be changed into a prime (22222303127) 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, 374216 + ... + 429513.

It is an arithmetic number, because the mean of its divisors is an integer number (2846811660).

Almost surely, 2^22222303121 is an apocalyptic number.

It is an amenable number.

22222303121 is a deficient number, since it is larger than the sum of its proper divisors (552190159).

22222303121 is an equidigital number, since it uses as much as digits as its factorization.

22222303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804415.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22222303121 its reverse (12130322222), we get a palindrome (34352625343).

The spelling of 22222303121 in words is "twenty-two billion, two hundred twenty-two million, three hundred three thousand, one hundred twenty-one".