22133223331 has 4 divisors (see below), whose sum is σ = 22225831200. Its totient is φ = 22040615464.

The previous prime is 22133223319. The next prime is 22133223379. The reversal of 22133223331 is 13332233122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22133223331 - 2³³ = 13543288739 is a prime.

It is a super-2 number, since 2×22133223331² (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 = 22133223296 and 22133223305.

It is not an unprimeable number, because it can be changed into a prime (22133223391) 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, 46303576 + ... + 46304053.

It is an arithmetic number, because the mean of its divisors is an integer number (5556457800).

Almost surely, 2^22133223331 is an apocalyptic number.

22133223331 is a deficient number, since it is larger than the sum of its proper divisors (92607869).

22133223331 is an equidigital number, since it uses as much as digits as its factorization.

22133223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92607868.

The product of its digits is 3888, while the sum is 25.

Adding to 22133223331 its reverse (13332233122), we get a palindrome (35465456453).

The spelling of 22133223331 in words is "twenty-two billion, one hundred thirty-three million, two hundred twenty-three thousand, three hundred thirty-one".