22131220333 has 8 divisors (see below), whose sum is σ = 23352926400. Its totient is φ = 20931137568.

The previous prime is 22131220297. The next prime is 22131220369. The reversal of 22131220333 is 33302213122.

It is an interprime number because it is at equal distance from previous prime (22131220297) and next prime (22131220369).

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 22131220333 - 2³³ = 13541285741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131220373) 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, 5403723 + ... + 5407816.

It is an arithmetic number, because the mean of its divisors is an integer number (2919115800).

Almost surely, 2^22131220333 is an apocalyptic number.

22131220333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22131220333 is a deficient number, since it is larger than the sum of its proper divisors (1221706067).

22131220333 is a wasteful number, since it uses less digits than its factorization.

22131220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811651.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22131220333 its reverse (33302213122), we get a palindrome (55433433455).

The spelling of 22131220333 in words is "twenty-two billion, one hundred thirty-one million, two hundred twenty thousand, three hundred thirty-three".