22332031213 has 2 divisors, whose sum is σ = 22332031214. Its totient is φ = 22332031212.

The previous prime is 22332031157. The next prime is 22332031231. The reversal of 22332031213 is 31213023322.

Together with next prime (22332031231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22092957769 + 239073444 = 148637^2 + 15462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22332031213 is a prime.

It is a super-3 number, since 3×22332031213³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22332031243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11166015606 + 11166015607.

It is an arithmetic number, because the mean of its divisors is an integer number (11166015607).

Almost surely, 2^22332031213 is an apocalyptic number.

It is an amenable number.

22332031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22332031213 is an equidigital number, since it uses as much as digits as its factorization.

22332031213 is an evil number, because the sum of its binary digits is even.

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

Adding to 22332031213 its reverse (31213023322), we get a palindrome (53545054535).

The spelling of 22332031213 in words is "twenty-two billion, three hundred thirty-two million, thirty-one thousand, two hundred thirteen".