22103323331 has 4 divisors (see below), whose sum is σ = 22109590200. Its totient is φ = 22097056464.

The previous prime is 22103323309. The next prime is 22103323351. The reversal of 22103323331 is 13332330122.

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 22103323331 - 2¹⁸ = 22103061187 is a prime.

It is a super-2 number, since 2×22103323331² (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 = 22103323297 and 22103323306.

It is not an unprimeable number, because it can be changed into a prime (22103323351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128141 + ... + 3135198.

It is an arithmetic number, because the mean of its divisors is an integer number (5527397550).

Almost surely, 2^22103323331 is an apocalyptic number.

22103323331 is a deficient number, since it is larger than the sum of its proper divisors (6266869).

22103323331 is an equidigital number, since it uses as much as digits as its factorization.

22103323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266868.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 22103323331 its reverse (13332330122), we get a palindrome (35435653453).

The spelling of 22103323331 in words is "twenty-two billion, one hundred three million, three hundred twenty-three thousand, three hundred thirty-one".