23222220211 has 2 divisors, whose sum is σ = 23222220212. Its totient is φ = 23222220210.

The previous prime is 23222220191. The next prime is 23222220233. The reversal of 23222220211 is 11202222232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23222220211 - 2²⁵ = 23188665779 is a prime.

It is not a weakly prime, because it can be changed into another prime (23222220011) 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 as a sum of consecutive naturals, namely, 11611110105 + 11611110106.

It is an arithmetic number, because the mean of its divisors is an integer number (11611110106).

Almost surely, 2^23222220211 is an apocalyptic number.

23222220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222220211 is an equidigital number, since it uses as much as digits as its factorization.

23222220211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23222220211 its reverse (11202222232), we get a palindrome (34424442443).

The spelling of 23222220211 in words is "twenty-three billion, two hundred twenty-two million, two hundred twenty thousand, two hundred eleven".