22212111331 has 8 divisors (see below), whose sum is σ = 22263508800. Its totient is φ = 22160748480.

The previous prime is 22212111323. The next prime is 22212111343. The reversal of 22212111331 is 13311121222.

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 22212111331 - 2³ = 22212111323 is a prime.

It is a super-2 number, since 2×22212111331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212111299 and 22212111308.

It is not an unprimeable number, because it can be changed into a prime (22212111391) 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, 1618165 + ... + 1631833.

It is an arithmetic number, because the mean of its divisors is an integer number (2782938600).

Almost surely, 2^22212111331 is an apocalyptic number.

22212111331 is a deficient number, since it is larger than the sum of its proper divisors (51397469).

22212111331 is a wasteful number, since it uses less digits than its factorization.

22212111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17309.

The product of its digits is 144, while the sum is 19.

Adding to 22212111331 its reverse (13311121222), we get a palindrome (35523232553).

The spelling of 22212111331 in words is "twenty-two billion, two hundred twelve million, one hundred eleven thousand, three hundred thirty-one".