23022211 has 2 divisors, whose sum is σ = 23022212. Its totient is φ = 23022210.

The previous prime is 23022203. The next prime is 23022221. The reversal of 23022211 is 11222032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23022211 - 2³ = 23022203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23022191 and 23022200.

It is not a weakly prime, because it can be changed into another prime (23022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511105 + 11511106.

It is an arithmetic number, because the mean of its divisors is an integer number (11511106).

Almost surely, 2^23022211 is an apocalyptic number.

23022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23022211 is an equidigital number, since it uses as much as digits as its factorization.

23022211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23022211 is about 4798.1466213529. The cubic root of 23022211 is about 284.4782121991.

Adding to 23022211 its reverse (11222032), we get a palindrome (34244243).

The spelling of 23022211 in words is "twenty-three million, twenty-two thousand, two hundred eleven".