22213131233 has 2 divisors, whose sum is σ = 22213131234. Its totient is φ = 22213131232.

The previous prime is 22213131137. The next prime is 22213131271. The reversal of 22213131233 is 33213131222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14312054689 + 7901076544 = 119633^2 + 88888^2 .

It is a cyclic number.

It is not a de Polignac number, because 22213131233 - 2⁸ = 22213130977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22213131199 and 22213131208.

It is not a weakly prime, because it can be changed into another prime (22213131433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106565616 + 11106565617.

It is an arithmetic number, because the mean of its divisors is an integer number (11106565617).

Almost surely, 2^22213131233 is an apocalyptic number.

It is an amenable number.

22213131233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213131233 is an equidigital number, since it uses as much as digits as its factorization.

22213131233 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 22213131233 its reverse (33213131222), we get a palindrome (55426262455).

The spelling of 22213131233 in words is "twenty-two billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred thirty-three".