22321321331 has 2 divisors, whose sum is σ = 22321321332. Its totient is φ = 22321321330.

The previous prime is 22321321327. The next prime is 22321321403. The reversal of 22321321331 is 13312312322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22321321331 - 2² = 22321321327 is a prime.

It is a super-3 number, since 3×22321321331³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22321321297 and 22321321306.

It is not a weakly prime, because it can be changed into another prime (22321321931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160660665 + 11160660666.

It is an arithmetic number, because the mean of its divisors is an integer number (11160660666).

Almost surely, 2^22321321331 is an apocalyptic number.

22321321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321321331 is an equidigital number, since it uses as much as digits as its factorization.

22321321331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 22321321331 its reverse (13312312322), we get a palindrome (35633633653).

Subtracting from 22321321331 its reverse (13312312322), we obtain a palindrome (9009009009).

The spelling of 22321321331 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred thirty-one".