22232011 has 2 divisors, whose sum is σ = 22232012. Its totient is φ = 22232010.

The previous prime is 22231997. The next prime is 22232029. The reversal of 22232011 is 11023222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22232011 - 2⁷ = 22231883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22231982 and 22232000.

It is not a weakly prime, because it can be changed into another prime (22232051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116005 + 11116006.

It is an arithmetic number, because the mean of its divisors is an integer number (11116006).

Almost surely, 2^22232011 is an apocalyptic number.

22232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232011 is an equidigital number, since it uses as much as digits as its factorization.

22232011 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 22232011 is about 4715.0833502707. The cubic root of 22232011 is about 281.1854965820.

Adding to 22232011 its reverse (11023222), we get a palindrome (33255233).

The spelling of 22232011 in words is "twenty-two million, two hundred thirty-two thousand, eleven".